Refactor loan and user management components and backend routes

- Updated LoanTable component to fetch loan data from new API endpoint and display notes.
- Enhanced UserTable component to include additional user fields (first name, last name, email, admin status) and updated input handling.
- Modified fetcher utility to use new user data API endpoint.
- Adjusted login functionality to point to the new admin login endpoint and handle unauthorized access.
- Refactored user actions utility to align with updated API endpoints for user management.
- Updated backend routes for user and loan data management to reflect new structure and naming conventions.
- Revised SQL schema and mock data to accommodate new fields and constraints.
- Changed Docker configuration to use the new database name.

docker-compose.yml

@@ -43,7 +43,7 @@ services:
       DB_HOST: mysql_v2
       DB_USER: root
       DB_PASSWORD: ${DB_PASSWORD_V2}
-      DB_NAME: borrow_system_v2
+      DB_NAME: borrow_system_new
     depends_on:
       - mysql_v2
     restart: unless-stopped
@@ -68,7 +68,7 @@ services:
     restart: unless-stopped
     environment:
       MYSQL_ROOT_PASSWORD: ${DB_PASSWORD_V2}
-      MYSQL_DATABASE: borrow_system_v2
+      MYSQL_DATABASE: borrow_system_new
       TZ: Europe/Berlin
     volumes:
       - mysql-v2-data:/var/lib/mysql