Replace README.txt with README.md

Charchil Khandelwal → made their first commit to this issue’s fork.

If there is no requirements then,
Write like this:

1.## Requirements

This module requires no modules outside of Drupal core.


2. Please remove current maintainer: text as we only define current maintainer in maintainer section.

Please review. Thanks.

Reviewed MR!3, the file is updated as per the readme.md file template.
Hence marking it to RTBC.

Automatically closed - issue fixed for 2 weeks with no activity.