Adding new sample 'approval-reminders'

samples/approval-reminders/README.md

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+# Approval Reminders
+
+## Summary
+
+This sample sends an approval and reminders to a user via Teams until they respond to the approval. It will retrigger itself as needed to overcome timeout limitations.
+
+![Approval Email](./assets/EmailApproval.png)
+![Teams Reminder](./assets/TeamsReminder.png)
+
+
+## Applies to
+
+*   [Microsoft Power Automate](https://docs.microsoft.com/power-automate/)
+
+## Compatibility
+
+![Premium License](https://img.shields.io/badge/Premium%20License-Not%20Required-green.svg "Premium license not required")
+![On-Premises Connectors](https://img.shields.io/badge/On--Premises%20Connectors-No-green.svg "Does not use on-premise connectors")
+![Custom Connectors](https://img.shields.io/badge/Custom%20Connectors-Not%20Required-green.svg "Does not use custom connectors")
+
+## Authors
+
+| Solution | Author(s) |
+| --- | --- |
+| approval-reminders | [Steve Corey](https://github.com/stevecorey365) ([@stevecorey365](https://www.twitter.com/stevecorey365) )
+
+## Version history
+
+| Version | Date | Comments |
+| --- | --- | --- |
+| 1.0 | October 17, 2023 | Initial release |
+
+## Features
+
+This sample demonstrates the following concepts:
+
+*   Creating an approval
+*   Sending reminders for the approval via Teams adaptive cards
+
+
+## Minimal Path to Awesome
+
+### Create SharePoint List
+
+Before you can use this sample flow, you'll need to create a SharePoint library with the following custom columns:
+
+| Name | Type |Required
+|---|---|---|
+|ApprovalID|Single line of text|No
+|ApprovalCard|Multiple lines of text|No
+|Status|Choice|Yes
+
+The library will look similar to this. Note that the ApprovalID and ApprovalCard fields don't have to be present on the view:
+  ![Library](./assets/Library.png)
+
+### Import Solution
+
+1.   Download the solution found under the `solution` folder here: [Approval Reminders Zip](./solution/SampleApprovalReminders_1_0_0_2.zip)
+1.   Import the Flow Solution. Open  [https://make.powerautomate.com/](https://make.powerautomate.com/). Open **Solutions**, **Import**.
+1.   Browse to the file you downloaded and select **Next**.
+1.   In the **Import a solution** screen, select the connections you wish to use for the solution or create new connections.
+1.   In the **Environment Variables** screen, select the site and library name of the library you wish to create approvals on.
+1.   Once complete, select **Import**.
+
+## Disclaimer
+
+**THIS CODE IS PROVIDED** _**AS IS**_ **WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.**