feat: 添加管理端前端 (HMS 基座 React 管理面板)

- 从 HMS 基座复制 apps/web/ (React + Ant Design + Vite + TypeScript)
- 管理端自动代理 API 到 localhost:3000 (vite.config.ts)
- 更新 scripts/dev.sh 支持三端启动: backend/admin/app
- 登录验证通过, 用户管理/角色权限/审计日志等页面正常
- 添加 .gitignore 排除 node_modules/dist

apps/web/eslint.config.js

@@ -0,0 +1,23 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+import { defineConfig, globalIgnores } from 'eslint/config'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+  },
+])