Update .css to .scss

Author: eleanorscott97

src/App.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import logo from './logo.svg';
-import './App.css';
+import './App.scss';
 
 function App() {
   return (

src/index.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
-import './index.css';
+import './index.scss';
 import App from './App';
 import reportWebVitals from './reportWebVitals';