- Created ModuleEnableSettingsSerializer
- Created ModuleEnableSettingsViewSet with get_or_create logic
- Added URL routing for module enable settings
- One record per account, auto-created on first access
- Introduced a new public health check endpoint at `api/ping/` to verify API responsiveness.
- Refactored integration response handling to utilize a unified success and error response format across various methods in `IntegrationSettingsViewSet`, improving consistency and clarity in API responses.
- Updated URL patterns to include the new ping endpoint and adjusted imports accordingly.