feat(agama-flow): Agama Flow for Automatic Account Deactivation After 90 Days of Inactivity

Create an Agama flow to automatically deactivate user accounts that have been inactive for 90 days.

Requirements:

- Detect accounts that have not been used (i.e., no login activity) for 90 consecutive days.
- Automatically disable such accounts to maintain security and resource efficiency.

Action Needed:

- Develop and integrate an Agama flow that regularly checks account activity.
- Disable accounts that meet the inactivity condition.