add front end code (#27)

web/src/pages/chat/index.tsx

@@ -0,0 +1,19 @@
+import React, { FC } from 'react';
+import { IndexModelState, ConnectProps, Loading, connect } from 'umi';
+
+interface PageProps extends ConnectProps {
+    index: IndexModelState;
+    loading: boolean;
+}
+
+const IndexPage: FC<PageProps> = ({ index, dispatch }) => {
+    const { name } = index;
+    return <div>chat: {name}</div>;
+};
+
+export default connect(
+    ({ index, loading }: { index: IndexModelState; loading: Loading }) => ({
+        index,
+        loading: loading.models.index,
+    }),
+)(IndexPage);