feat(task1): restructure directories for turborepo monorepo

- Move backend/ to apps/server/ via git mv
- Move frontend/ to apps/admin/ via git mv
- Create packages/typescript-config/ with base, nestjs, and react-vite presets

apps/admin/src/main.tsx

@@ -0,0 +1,31 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App';
+import './index.css';
+import dayjs from 'dayjs';
+import 'dayjs/locale/zh-cn';
+import customParseFormat from 'dayjs/plugin/customParseFormat';
+import advancedFormat from 'dayjs/plugin/advancedFormat';
+import weekday from 'dayjs/plugin/weekday';
+import localeData from 'dayjs/plugin/localeData';
+import weekOfYear from 'dayjs/plugin/weekOfYear';
+import weekYear from 'dayjs/plugin/weekYear';
+import updateLocale from 'dayjs/plugin/updateLocale';
+
+// 扩展 antd DatePicker/RangePicker 面板所需的 dayjs 插件，否则中文 locale 无法生效
+dayjs.extend(customParseFormat);
+dayjs.extend(advancedFormat);
+dayjs.extend(weekday);
+dayjs.extend(localeData);
+dayjs.extend(weekOfYear);
+dayjs.extend(weekYear);
+dayjs.extend(updateLocale);
+
+// 必须在所有插件加载后设置 locale
+dayjs.locale('zh-cn');
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>,
+);