Fix host for ipv6 binding issue

Author: pamelafox

README.md

@@ -139,7 +139,7 @@ Since the local app uses OpenAI models, you should first deploy it for the optim
     cd src/frontend
     npm install
     npm run build
-    cd ..
+    cd ../..
     ```
 
     There must be an initial build of static assets before running the backend, since the backend serves static files from the `src/static` directory.

src/frontend/vite.config.ts

@@ -26,6 +26,7 @@ export default defineConfig({
     server: {
         proxy: {
             "/chat": "http://localhost:8000"
-        }
+        },
+        host: "127.0.0.1",
     }
 });