feat: Configure the root directory alias #1739 (#2875)

### What problem does this PR solve?

feat: Configure the root directory alias #1739

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

web/.umirc.ts

+import path from 'path';
 import { defineConfig } from 'umi';
 import { appName } from './src/conf.json';
 import routes from './src/routes';
 export default defineConfig({
   title: appName,
   outputPath: 'dist',
-  // alias: { '@': './src' },
+  alias: { root: path.resolve('../') },
   npmClient: 'npm',
   base: '/',
   routes,

web/src/components/api-service/chat-overview-modal/api-content.tsx

 import HightLightMarkdown from '@/components/highlight-markdown';
 import { useSetModalState, useTranslate } from '@/hooks/common-hooks';
 import { Button, Card, Flex, Space } from 'antd';
-import apiDoc from '../../../../../docs/references/api.md';
+// import apiDoc from '../../../../../api/http_api.md';
+import apiDoc from 'root/api/http_api.md';
 import ChatApiKeyModal from '../chat-api-key-modal';
 import EmbedModal from '../embed-modal';
 import { usePreviewChat, useShowEmbedModal } from '../hooks';

web/src/components/highlight-markdown/index.less

   li {
     padding: 4px 0px;
   }
-  p {
-    white-space: pre-wrap; // https://stackoverflow.com/questions/60332183/new-line-with-react-markdown
-  }
+  // p {
+  //   white-space: pre-wrap; // https://stackoverflow.com/questions/60332183/new-line-with-react-markdown
+  // }
 }
 
 .code {

web/tsconfig.json

 {
   "extends": "./src/.umi/tsconfig.json",
   "@@/*": ["src/.umi/*"],
+  "root": ["../*"],
 }