Add carbon integration

pages/_app.tsx

@@ -2,8 +2,9 @@ import { useEffect } from 'react';
 import type { AppProps } from 'next/app';
 import { ChakraProvider } from '@chakra-ui/react';
 import 'prism-themes/themes/prism-shades-of-purple.css';
-import { roadmapTheme } from '../lib/theme';
+import { roadmapTheme } from '../styles/theme';
 import { firePageView } from '../lib/gtag';
+import '../styles/carbon.css';
 
 function MyApp({ Component, pageProps }: AppProps) {
   useEffect(() => {