feat: 初始化项目结构并添加核心功能模块

- 新增文档模板和导航结构
- 实现服务器基础API路由和控制器
- 添加扩展插件配置和前端框架
- 引入多租户和权限管理模块
- 集成日志和数据库配置
- 添加核心业务模型和类型定义

dashboard/.umi/core/helmet.ts

@@ -0,0 +1,10 @@
+// @ts-nocheck
+// This file is generated by Umi automatically
+// DO NOT CHANGE IT MANUALLY!
+import React from 'react';
+import { HelmetProvider } from 'D:/trae_projects/makemd/makemd/dashboard/node_modules/@umijs/renderer-react';
+import { context } from './helmetContext';
+
+export const innerProvider = (container) => {
+  return React.createElement(HelmetProvider, { context }, container);
+}