Initial commit - 玩玩云文件管理系统 v1.0.0

- 完整的前后端代码
- 支持本地存储和SFTP存储
- 文件分享功能
- 上传工具源代码
- 完整的部署文档
- Nginx配置模板

技术栈：
- 后端: Node.js + Express + SQLite
- 前端: Vue.js 3 + Axios
- 存储: 本地存储 / SFTP远程存储

nginx/nginx.conf.example

@@ -0,0 +1,52 @@
+server {
+    listen 80;
+    server_name your-domain.com;
+
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
+    location / {
+        return 301 https://$server_name$request_uri;
+    }
+}
+
+server {
+    listen 443 ssl http2;
+    server_name your-domain.com;
+
+    ssl_certificate /etc/letsencrypt/live/your-domain.com/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/your-domain.com/privkey.pem;
+
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers HIGH:!aNULL:!MD5;
+    ssl_prefer_server_ciphers on;
+
+    # 前端静态文件
+    location / {
+        root /usr/share/nginx/html;
+        index index.html;
+        try_files $uri $uri/ =404;
+    }
+
+    # 后端API反向代理
+    location /api/ {
+        proxy_pass http://backend:40001;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        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;
+        proxy_cache_bypass $http_upgrade;
+    }
+
+    # 分享链接重定向
+    location /s/ {
+        proxy_pass http://backend:40001;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
+}