Update documentation and templates.

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Create a report to help us improve
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Terms
+      options:
+        - label: I have read the CONTRIBUTING guidelines
+          required: true
+        - label: I have checked existing issues to avoid duplicates
+          required: true
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: What version of EternalEconomy are you using?
+      placeholder: v1.0.0
+    validations:
+      required: true
+  - type: input
+    id: server-version
+    attributes:
+      label: Server Version
+      description: What server software and version are you using? (e.g., Paper 1.20.4)
+      placeholder: Paper version git-Paper-123 (MC: 1.20.4)
+    validations:
+      required: true
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: A clear and concise description of what the bug is.
+      placeholder: I entered the command... and then...
+    validations:
+      required: true
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to Reproduce
+      description: Steps to reproduce the behavior.
+      placeholder: |
+        1. Go to '...'
+        2. Click on '....'
+        3. Scroll down to '....'
+        4. See error
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs / Screenshots
+      description: Paste any relevant logs or screenshots here.
+      render: shell

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest an idea for this project
+title: "[Feature]: "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for suggesting a new feature!
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Terms
+      options:
+        - label: I have read the CONTRIBUTING guidelines
+          required: true
+        - label: I have checked existing issues to avoid duplicates
+          required: true
+  - type: textarea
+    id: description
+    attributes:
+      label: Is your feature request related to a problem? Please describe.
+      description: A clear and concise description of what the problem is.
+      placeholder: I'm always frustrated when...
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Context
+      description: Add any other context or screenshots about the feature request here.

.github/pull_request_template.md

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+### Summary
+<!-- Describe the changes you have made -->
+
+### Issue Link
+<!-- Link to the issue this PR addresses, e.g. "Closes #123" -->
+
+### Type of Change
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Refactoring (no functional changes, just code cleanup)
+
+### Checklist
+- [ ] My code follows the code style of this project.
+- [ ] I have tested my changes.
+- [ ] I have updated the documentation accordingly.

CONTRIBUTING.md

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+# Contributing to EternalEconomy
+
+First off, thanks for taking the time to contribute! 🎉
+
+The following is a set of guidelines for contributing to EternalEconomy. These are just guidelines, not rules. Use your best judgment, and feel free to propose changes to this document in a pull request.
+
+## Code of Conduct
+
+This project and everyone participating in it is governed by our Code of Conduct. By participating, you are expected to uphold this code.
+
+## How Can I Contribute?
+
+### Reporting Bugs
+
+This section guides you through submitting a bug report. Following these guidelines helps maintainers and the community understand your report, reproduce the behavior, and find related reports.
+
+- **Use a clear and descriptive title** for the issue to identify the problem.
+- **Describe the exact steps which reproduce the problem** in as many details as possible.
+- **Provide specific examples** to demonstrate the steps.
+- **Describe the behavior you observed after following the steps** and point out what exactly is the problem with that behavior.
+- **Explain which behavior you expected to see instead and why.**
+- **Include logs and screenshots** which show you following the described steps and demonstrate the problem.
+
+### Suggesting Enhancements
+
+This section guides you through submitting an enhancement suggestion, including completely new features and minor improvements to existing functionality.
+
+- **Use a clear and descriptive title** for the issue to identify the suggestion.
+- **Provide a step-by-step description of the suggested enhancement** in as many details as possible.
+- **Explain why this enhancement would be useful** to most EternalEconomy users.
+
+### Pull Requests
+
+The process described here has several goals:
+
+- Maintain EternalEconomy's quality.
+- Fix problems that are important to users.
+- Engage the community in working toward the best possible EternalEconomy.
+- Enable a sustainable system for EternalEconomy's maintainers to review contributions.
+
+Please follow these steps to have your contribution considered by the maintainers:
+
+1.  Follow all instructions in [the template](.github/pull_request_template.md).
+2.  Follow the [Checkstyle](checkstyle.xml) (if available) or standard Java coding conventions.
+3.  After you submit your pull request, verify that all status checks are passing.
+
+## Styleguides
+
+### Git Commit Messages
+
+- Use the present tense ("Add feature" not "Added feature").
+- Use the imperative mood ("Move cursor to..." not "Moves cursor to...").
+- Limit the first line to 72 characters or less.
+- Reference issues and pull requests liberally after the first line.
+
+### Java Styleguide
+
+- Use 4 spaces for indentation.
+- Organize imports.
+- Use meaningful variable and method names.
+- Document complex logic with comments.
+
+Thank you for contributing!

README.md

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 <div align="center">
 
 ![readme-banner.png](https://github.com/EternalCodeTeam/EternalEconomy/blob/master/assets/readme-banner.png?raw=true)
-</div>
+
+# EternalEconomy
+
+[![Available on SpigotMC](https://raw.githubusercontent.com/vLuckyyy/badges/main/available-on-spigotmc.svg)](https://www.spigotmc.org/resources/eternalcore-%E2%99%BE%EF%B8%8F-all-the-most-important-server-functions-in-one.112264/)
+[![Available on Modrinth](https://raw.githubusercontent.com/vLuckyyy/badges/main/avaiable-on-modrinth.svg)](https://modrinth.com/plugin/eternalcore)
+[![Available on Hangar](https://raw.githubusercontent.com/vLuckyyy/badges/main/avaiable-on-hangar.svg)](https://hangar.papermc.io/EternalCodeTeam/EternalCore)
+
+[![Chat on Discord](https://raw.githubusercontent.com/vLuckyyy/badges/main//chat-with-us-on-discord.svg)](https://discord.com/invite/FQ7jmGBd6c)
+[![Read the Docs](https://raw.githubusercontent.com/vLuckyyy/badges/main/read-the-documentation.svg)](https://docs.eternalcode.pl/eternalcore/introduction)
+[![Available on BStats](https://raw.githubusercontent.com/vLuckyyy/badges/main/available-on-bstats.svg)](https://bstats.org/plugin/bukkit/EternalEconomy2/28941)
+
+**The most modern and advanced economy plugin for your Minecraft server.**
+
+[Report Bug](https://github.com/EternalCodeTeam/EternalEconomy/issues) • [Request Feature](https://github.com/EternalCodeTeam/EternalEconomy/issues) • [Join Discord](https://discord.gg/eternalcode)
+
+<br>
+
+<a href="https://ko-fi.com/eternalcodeteam">
+  <img src="https://github.com/intergrav/devins-badges/blob/v3/assets/cozy/donate/kofi-plural-alt_64h.png?raw=true" height="64" alt="Support us on Ko-fi">
+</a>
+
+</div>
+
+---
+
+## 🔥 Features
+
+| Feature | Description |
+| :--- | :--- |
+| 🚀 **High Performance** | Optimized for large servers with asynchronous database operations. |
+| 💾 **Multi-Database** | Support for H2, SQLite, MySQL, MariaDB, and PostgreSQL. |
+| 🌍 **Modern Design** | Slick default messages with MiniMessage support. |
+| 📊 **Leaderboards** | Built-in high-performance balance top system. |
+| ⚙️ **Configurable** | Extensive `config.yml` and `messages.yml` customization. |
+
+---
+
+## 📷 Gallery
+
+<div align="center">
+
+| Feature Preview | GIF / Image |
+| :--- | :--- |
+| **Balance Check** | *Place your GIF here* |
+| **Pay System** | *Place your GIF here* |
+| **Admin Management** | *Place your GIF here* |
+
+</div>
+
+---
+
+## 💻 Commands & Permissions
+
+### Player Commands
+| Command | Usage | Permission | Description |
+| :--- | :--- | :--- | :--- |
+| `/balance` | `/balance [player]` | `eternaleconomy.player.balance` | Check your own account balance. |
+| `/balance` | `/balance <player>` | `eternaleconomy.player.balance.other` | Check another player's balance. |
+| `/pay` | `/pay <player> <amount>` | `eternaleconomy.player.pay` | Transfer money to another player. |
+| `/withdraw` | `/withdraw <amount>` | `eternaleconomy.player.withdraw` | Withdraw money from your account. |
+| `/balancetop` | `/balancetop [page]` | `eternaleconomy.player.balance.top` | View the richest players on the server. |
+
+### Admin Commands
+| Command | Usage | Permission | Description |
+| :--- | :--- | :--- | :--- |
+| `/economy set` | `/eco set <player> <amount>` | `eternaleconomy.admin.set` | Set a player's balance to a specific amount. |
+| `/economy add` | `/eco add <player> <amount>` | `eternaleconomy.admin.add` | Add a specific amount to a player's balance. |
+| `/economy remove` | `/eco remove <player> <amount>` | `eternaleconomy.admin.remove` | Remove a specific amount from a player's balance. |
+| `/economy reset` | `/eco reset <player>` | `eternaleconomy.admin.reset` | Reset a player's balance to the default. |
+| `/economy reload` | `/eco reload` | `eternaleconomy.admin.reload` | Reload the plugin configuration. |
+| `/economy check` | `/eco check <player>` | `eternaleconomy.admin.balance` | Check a player's balance (Admin alias). |
+
+---
+
+## 🧩 Placeholders
+
+These placeholders are used within the `messages.yml` file to dynamic content.
+
+| Placeholder | Context | Description |
+| :--- | :--- | :--- |
+| `{PLAYER}` | Global | The name of the player involved in the transaction. |
+| `{BALANCE}` | Balance Check | The formatted balance of the player. |
+| `{AMOUNT}` | Transaction | The amount of money being transferred, added, or removed. |
+| `{POSITION}` | Leaderboard | The rank of the player in the leaderboard. |
+| `{PAGE}` | Leaderboard | The current page number. |
+| `{TOTAL_PAGES}` | Leaderboard | The total number of pages. |
+
+---
+
+## 📥 Installation
+
+1. Download the latest release from [GitHub](https://github.com/EternalCodeTeam/EternalEconomy/releases) or [Modrinth](https://modrinth.com/plugin/eternaleconomy).
+2. Place the `.jar` file into your server's `plugins` folder.
+3. Restart your server.
+4. Configure `config.yml` and database settings if necessary.
+
+---
+
+<div align="center">
+Made with ❤️ by the <a href="https://github.com/EternalCodeTeam">EternalCodeTeam</a>
+</div>