Add carbon integration

components/footer.tsx

@@ -63,6 +63,15 @@ export function Footer() {
           </Text>
         </Box>
       </Container>
+
+      {process.env.GA_SECRET && false && (
+        <script
+          async
+          type='text/javascript'
+          src='//cdn.carbonads.com/carbon.js?serve=CE7DLK3Y&placement=roadmapsh'
+          id='_carbonads_js'
+        />
+      )}
     </Box>
   );
 }

components/icons/video-icon.tsx

@@ -0,0 +1,21 @@
+export function VideoIcon(props: any) {
+  return (
+    <svg
+      stroke='currentColor'
+      fill='currentColor'
+      strokeWidth='0'
+      viewBox='0 0 24 24'
+      height='1em'
+      width='1em'
+      xmlns='http://www.w3.org/2000/svg'
+      {...props}
+    >
+      <g>
+        <path fill='none' d='M0 0h24v24H0z' />
+        <path
+          d='M3 3.993C3 3.445 3.445 3 3.993 3h16.014c.548 0 .993.445.993.993v16.014a.994.994 0 0 1-.993.993H3.993A.994.994 0 0 1 3 20.007V3.993zm7.622 4.422a.4.4 0 0 0-.622.332v6.506a.4.4 0 0 0 .622.332l4.879-3.252a.4.4 0 0 0 0-.666l-4.88-3.252z'
+        />
+      </g>
+    </svg>
+  );
+}

components/md-renderer/index.tsx

@@ -3,7 +3,7 @@ import React from 'react';
 import { MDXProvider } from '@mdx-js/react';
 import { ChakraProvider } from '@chakra-ui/react';
 import MdxComponents from './mdx-components';
-import { roadmapTheme } from '../../lib/theme';
+import { roadmapTheme } from '../../styles/theme';
 
 type MdRendererType = {
   children: React.ReactNode