Update the Documentation of README.txt.

Hello @HarshitaMehna, I have updated the README.txt file.

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

Thank you, @sanket.addweb, for the patch updating the README.txt file for compatibility with Drupal 9 and 10. I have reviewed the changes, and they look accurate and appropriate.
+RTBC

We moved to README.md

@nisha_j was that fork created by mistake? It is empty.