Refactor Docker Compose examples and documentation

- Updated README.md to include new example files for minimal and production configurations with detailed instructions.
- Added compose.production-alt.example.yml for an annotated production setup.
- Introduced new example files: compose.minimal.example.yml, compose.production.example.yml, nginx.example.conf, and traefik.example.yml for better clarity and usability.
- Removed outdated configuration files and consolidated documentation for OCR language support.
- Adjusted Nginx and Traefik configurations to reflect best practices and added necessary comments for user guidance.
- Minor formatting and consistency improvements across documentation files.

docs/範例配置/nginx.example.conf

@@ -0,0 +1,80 @@
+# ConvertX-CN Nginx 反向代理配置範例
+# 檔案位置：/etc/nginx/sites-available/convertx
+#
+# 使用方式：
+# 1. 複製到 /etc/nginx/sites-available/convertx
+# 2. 將 YOUR_DOMAIN_HERE 替換為你的網域
+# 3. ln -s /etc/nginx/sites-available/convertx /etc/nginx/sites-enabled/
+# 4. sudo nginx -t && sudo systemctl reload nginx
+#
+# 必須修改的欄位：
+#   - YOUR_DOMAIN_HERE（共 5 處）
+
+# HTTP → HTTPS 重導向
+server {
+    listen 80;
+    listen [::]:80;
+    server_name YOUR_DOMAIN_HERE;
+    
+    # Let's Encrypt 驗證
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+    
+    # 重導向到 HTTPS
+    location / {
+        return 301 https://$server_name$request_uri;
+    }
+}
+
+# HTTPS 伺服器
+server {
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
+    server_name YOUR_DOMAIN_HERE;
+
+    # SSL 憑證（Let's Encrypt）
+    ssl_certificate /etc/letsencrypt/live/YOUR_DOMAIN_HERE/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/YOUR_DOMAIN_HERE/privkey.pem;
+    
+    # SSL 設定（安全強化）
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_prefer_server_ciphers on;
+    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_timeout 10m;
+
+    # 安全 Headers
+    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+    add_header X-Content-Type-Options nosniff;
+    add_header X-Frame-Options DENY;
+    add_header X-XSS-Protection "1; mode=block";
+
+    # 檔案上傳大小限制（依需求調整）
+    client_max_body_size 500M;
+    
+    # 上傳超時設定（大檔案需要）
+    proxy_connect_timeout 300s;
+    proxy_send_timeout 300s;
+    proxy_read_timeout 300s;
+
+    # 主要位置
+    location / {
+        proxy_pass http://127.0.0.1:3000;
+        proxy_http_version 1.1;
+        
+        # 必要的 Headers
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        
+        # WebSocket 支援
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        
+        # 緩衝設定
+        proxy_buffering off;
+        proxy_request_buffering off;
+    }
+}