🔧 Update Admin Dashboard and Authentication Flow

✅ Updated Admin Dashboard URL:
- Changed the Admin Dashboard access path from `/admin` to `/manage` in multiple files for consistency.

✅ Enhanced Middleware Authentication:
- Updated middleware to protect new admin routes including `/manage` and `/dashboard`.

✅ Implemented CSRF Protection:
- Added CSRF token generation and validation for login and session validation routes.

✅ Introduced Rate Limiting:
- Added rate limiting for admin routes and CSRF token requests to enhance security.

✅ Refactored Admin Page:
- Created a new admin management page with improved authentication handling and user feedback.

🎯 Overall Improvements:
- Strengthened security measures for admin access.
- Improved user experience with clearer navigation and feedback.
- Streamlined authentication processes for better performance.

docker-compose.prod.yml

@@ -21,6 +21,7 @@ services:
       - portfolio_data:/app/.next/cache
     networks:
       - portfolio_net
+      - proxy
     depends_on:
       postgres:
         condition: service_healthy
@@ -77,3 +78,5 @@ volumes:
 networks:
   portfolio_net:
     external: true
+  proxy:
+    external: true