- Added support for data protection keys by integrating Entity Framework Core for key persistence.
- Updated `Program.cs` and `MemberCenterDbContext.cs` to configure data protection services.
- Introduced new migration to create `DataProtectionKeys` table in the database.
- Enhanced cookie settings for authentication to enforce security policies (SameSite=None, Secure=Always).
- Updated installation documentation with new authentication configuration options.
- Implemented OAuthClientsController for CRUD operations on OAuth clients.
- Added SecurityController to manage security settings.
- Created SubscriptionsController for handling subscriptions with export functionality.
- Developed TenantsController for tenant management including create, edit, and delete operations.
- Added views for each controller to facilitate user interaction.
- Introduced layout and shared views for consistent admin UI.
- Implemented model classes for handling data in views.
- Added validation and error handling in forms.
- Added EmailBlacklist service and controller for managing blacklisted emails.
- Created EmailBlacklistDto for data transfer and EmailBlacklistFormViewModel for form handling.
- Implemented views for listing and adding emails to the blacklist.
- Updated database schema with new EmailBlacklist entity and related migrations.
- Enhanced OAuthClientFormViewModel to include ClientId and ClientSecret properties.
- Added EmailBlacklistService to handle email blacklisting logic.
- Integrated email blacklist service into the application with necessary dependencies.
