feat: 实现 NoWhatever 别说随便餐厅决策 Web App

- Framer Motion 卡片滑动 UI，带物理阻尼动画
- 多人房间系统，4位房间号 + SWR 实时轮询
- 高德地图 POI v5 API 搜索附近餐厅
- Web Share API 一键邀请，剪贴板降级方案
- SQLite/Prisma 持久化存储
- 移动端优先响应式设计 (Tailwind CSS)

.gitignore

@@ -0,0 +1,45 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files (can opt-in for committing if needed)
+.env*
+
+# sqlite
+*.db
+*.db-journal
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts