<UserStory>AUTH001 : Login </UserStory>
<Changes>
- Introduced ApplicationConfig for default configuration values
- Implemented authentication flow in AuthenticationManagementService
- Added login and logout handling in ZenvyController
- Updated enums to include INVALID values and TEAM employee type
- Implemented login UI flow with role-based menu routing
</Changes>
<Review>
Smitha Mohan
</Review>