added user account cleanup script

UserAccountCleanup/readme.md

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+# User Account Cleanup
+
+This script automatically disables user accounts that have been inactive for more than six months, maintaining a secure and manageable user database.
+
+## Usage
+- Use this script in a scheduled job to regularly clean up inactive accounts.
+- Modify the `last_login_time` query as needed for different inactivity thresholds.

UserAccountCleanup/script.js

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+(function cleanupInactiveUsers() {
+    // Query for users inactive for over 6 months
+    var user = new GlideRecord('sys_user');
+    user.addEncodedQuery('last_login_timeRELATIVELE@dayofweek@-180');
+    user.query();
+
+    // Disable each inactive user account
+    while (user.next()) {
+        user.active = false;
+        user.update();
+    }
+})();