feat: 添加 Docker 支持和完善文档

- 添加 Dockerfile (多阶段构建, alpine 运行时, 14MB 镜像)
- 添加 docker-compose.yml
- 添加 .dockerignore
- README 添加 Docker 部署说明、二进制部署说明
- Docker 镜像: ouaone/tonav-go:v1.0.0

docker-compose.yml

@@ -0,0 +1,16 @@
+version: '3.8'
+
+services:
+  tonav:
+    image: ouaone/tonav-go:latest
+    container_name: tonav-go
+    restart: unless-stopped
+    ports:
+      - "9520:9520"
+    volumes:
+      - ./data:/app/data
+      - ./backups:/app/backups
+    environment:
+      - TZ=Asia/Shanghai
+      - TONAV_PORT=9520
+      - TONAV_SECRET=your-secret-key-here