Feat: Admin UI (#10857)

### What problem does this PR solve?

Add admin UI for RAGFlow

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/.umirc.ts

@@ -38,6 +38,13 @@ export default defineConfig({
     { from: 'node_modules/monaco-editor/min/vs/', to: 'dist/vs/' },
   ],
   proxy: [
+    {
+      context: ['/api/v1/admin'],
+      target: 'http://127.0.0.1:9381/',
+      changeOrigin: true,
+      ws: true,
+      logger: console,
+    },
     {
       context: ['/api', '/v1'],
       target: 'http://127.0.0.1:9380/',