rename folder + set errors empty str

Author: correa-brian

README.md

@@ -9,7 +9,7 @@ This template is an example project for a simple Large Language Model (LLM) appl
 These are the available commands:
 
 - `npm start` — This will start a React development server for the frontend app, with a default port of `5173`.
-- `npm start-server` — This will start a Node development server for the backend app, with a default port of `3100`.
+- `npm run start-server` — This will start a Node development server for the backend app, with a default port of `3100`.
 
 - `npm run build` — This will output a production build of the frontend app in the `dist` directory.
 - `npm run preview` — This will run the production build of the frontend app locally with a default port of `5173` (_note_: this will not work if you haven't generated the production build yet).

src/App.jsx client/App.jsxsrc/App.jsx renamed to client/App.jsx

@@ -7,10 +7,10 @@ const Chat = () => {
     const [userInput, setUserInput] = useState('');
     const [loading, setLoading] = useState(false);
     const [answer, setAnswer] = useState('');
-    const [error, setError] = useState(null);
+    const [error, setError] = useState('');
 
     const handleInputChange = (event) => {
-        setError(null);
+        setError('');
         setUserInput(event.target.value);
     };