add front end code (#27)

web/src/.umi/plugin-dva/index.ts

@@ -0,0 +1,5 @@
+// @ts-nocheck
+// This file is generated by Umi automatically
+// DO NOT CHANGE IT MANUALLY!
+export { connect, useDispatch, useStore, useSelector } from 'C:/Users/zfc/Desktop/docgpt/client/node_modules/@umijs/plugins/libs/dva.tsx';
+export { getDvaApp } from './dva';