feat: add GameGroup2 project with frontend and backend

- Add .gitignore for Node.js and PocketBase projects
- Add frontend (Vue 3 + Vite + TypeScript)
- Add backend (PocketBase)
- Add deployment scripts and Docker compose configs

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

deploy-backend.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# 部署 PocketBase 后端
+
+echo "🚀 部署 PocketBase 后端..."
+
+docker compose -f docker-compose.backend.yml up -d --force-recreate
+
+echo "✅ PocketBase 已启动"
+echo "📡 API 地址: http://192.168.1.14:8711/api/"
+echo "🔧 管理面板: http://192.168.1.14:8711/_/"