feat(sessions): implement user session management with session tracking and revocation

- Introduced new database schema for user sessions and session events.
- Implemented session management page with filtering, sorting, and revocation capabilities.
- Added backend services for creating, revoking, and expiring user sessions.
- Implemented session cookie handling and security measures.
- Created tests for session management functionalities and security features.

.env.docker

@@ -32,8 +32,7 @@ NODE_ENV=production
 HOST=0.0.0.0
 PORT=4000
 
-JWT_SECRET=dev-super-secret-jwt-key-change-in-production-32chars
-JWT_EXPIRES_IN=7d
+SESSION_ABSOLUTE_TIMEOUT_HOURS=168
 
 # Required in production. Generate once, store securely, and keep it stable:
 # openssl rand -hex 32