feat: 初始化义工时长管理系统

- 管理台：活动设置、时长登记、用户管理、数据导出（Excel/PNG）
- 用户端：姓名查询个人义工时长与活动记录
- 技术栈：React + Vite + TailwindCSS / Node.js + Express + sql.js (SQLite)
- 支持 Docker 部署，附带 Gitea Actions 自动部署工作流
- 响应式界面，兼容移动端与 PC 端
- 默认管理员账号：admin / admin123

client/tsconfig.tsbuildinfo

@@ -0,0 +1 @@
+{"root":["./src/app.tsx","./src/main.tsx","./src/api/index.ts","./src/components/button.tsx","./src/components/datatable.tsx","./src/components/input.tsx","./src/components/modal.tsx","./src/components/select.tsx","./src/components/textarea.tsx","./src/pages/admin/activities.tsx","./src/pages/admin/export.tsx","./src/pages/admin/hours.tsx","./src/pages/admin/layout.tsx","./src/pages/admin/login.tsx","./src/pages/admin/users.tsx","./src/pages/user/dashboard.tsx","./src/pages/user/index.tsx","./src/types/index.ts","./src/utils/export.ts"],"version":"5.9.3"}