Updated README.md

[harshitarora-in]

Updated tags and content.
Added UTM links.
Added use cases.
Added Support, and documentation section.

All Submissions:

• Have you followed the Optimole Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Closes # .

How to test the changes in this Pull Request:

N//A

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

[pirate-bot]

Plugin build for ed7937a is ready 🛎️!

• Download build
• Download dev

[pirate-bot]

🎉 This PR is included in version 3.9.1 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀