更新 Docker 镜像配置，清理 archive 文件

- 删除 archive/bbs-go 等历史代码
- 新增 nginx、frpc-client Docker 镜像配置
- 添加 .gitignore 忽略大文件

gitea/docker-compose.yml

@@ -3,7 +3,7 @@ services:
   server:
     image: gitea/gitea:latest
     container_name: gitea
-    environment:     
+    environment:
       - GITEA__database__DB_TYPE=sqlite3
     restart: always
     volumes:
@@ -12,4 +12,10 @@ services:
       - /etc/localtime:/etc/localtime:ro
     ports:
       - "3002:3000"
-      - "222:22"      
+      - "222:22"
+    networks:
+      - trim-default
+
+networks:
+  trim-default:
+    external: true