feat: initialize backend and frontend structure with Docker support

- Added backend package.json with dependencies for Express, MySQL, and EJS.
- Created server.js for backend server setup with basic routing and error handling.
- Added EJS view for the index page.
- Set up Docker Compose configuration for frontend, backend, and MySQL database services.
- Created Dockerfile for frontend build process using Node and Nginx.
- Configured Nginx for serving frontend application.
- Implemented i18n setup for internationalization with English and German language support.
- Added localization files for English and German languages.

docker-compose.yml

@@ -0,0 +1,37 @@
+services:
+  frontend:
+    container_name: ca-lose-frontend
+    build: ./frontend
+    ports:
+      - "8002:80"
+    restart: unless-stopped
+
+  backend:
+    container_name: ca-lose-backend
+    build: ./backend
+    ports:
+      - "8004:8004"
+    environment:
+      NODE_ENV: production
+      DB_HOST: ca-lose
+      DB_USER: root
+      DB_PASSWORD: ${DB_PASSWORD}
+      DB_NAME: ca-lose
+    depends_on:
+      - ca-lose
+    restart: unless-stopped
+
+  database:
+    container_name: ca-lose
+    image: mysql:8.0
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
+      MYSQL_DATABASE: ca-lose
+      TZ: Europe/Berlin
+    volumes:
+      - ca-lose_mysql:/var/lib/mysql
+      - ./mysql-timezone.cnf:/etc/mysql/conf.d/timezone.cnf:ro
+
+volumes:
+  ca-lose_mysql: