Update README.md

updated the file with latest comments related to the new function

Author: koratalas

Server-Side Components/Background Scripts/Auto-Deactivate Users Not Logged In for X Days/README.md

@@ -7,3 +7,6 @@
 2. Paste the script and execute:
    ```javascript
    deactivateDormantUsers(90);
+
+**Script Explanation** 
+   This script helps the admin team to identify the users who are inactive since the last "x" amount of days and make their profiles inactive. Along with the deactivation of user accounts, the group memberships of the user profiles also will be removed to prevent any mishappen.