fix: add vercel banner

src/components/footer.tsx

@@ -1,8 +1,10 @@
 import React from 'react';
-import { space } from '@stacks/ui';
+import { Box, Flex, space } from '@stacks/ui';
 import { Pagination } from '@components/pagination';
 import { Section, SectionWrapper } from '@components/common';
 import { FeedbackSection } from '@components/feedback';
+import { VercelLogo } from '@components/vercel';
+import { Caption } from '@components/typography';
 
 const Footer = ({ hidePagination, ...rest }: any) => {
   return (
@@ -10,6 +12,24 @@ const Footer = ({ hidePagination, ...rest }: any) => {
       <SectionWrapper>
         <Pagination />
         <FeedbackSection />
+        <Flex
+          justifyContent={['flex-end', 'flex-end', 'flex-start']}
+          mt={['extra-loose', 'extra-loose', 'loose']}
+          alignItems="center"
+        >
+          <Caption mt={['loose', 'loose', 'unset']} mr="tight">
+            Powered by
+          </Caption>
+          <Box
+            mt={['loose', 'loose', 'unset']}
+            href="https://vercel.com/?utm_source=blockstack&utm_campaign=oss"
+            as="a"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            <VercelLogo opacity={0.85} />
+          </Box>
+        </Flex>
       </SectionWrapper>
     </Section>
   );

src/components/vercel.tsx

@@ -0,0 +1,11 @@
+import React from 'react';
+import { BoxProps, Box, color } from '@stacks/ui';
+
+export const VercelLogo: React.FC<BoxProps> = props => (
+  <Box as="svg" width="75px" viewBox="0 0 283 64" fill="none" color={color('text-body')} {...props}>
+    <path
+      d="M141.04 16c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.46 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zM248.72 16c-11.04 0-19 7.2-19 18s8.96 18 20 18c6.67 0 12.55-2.64 16.19-7.09l-7.65-4.42c-2.02 2.21-5.09 3.5-8.54 3.5-4.79 0-8.86-2.5-10.37-6.5h28.02c.22-1.12.35-2.28.35-3.5 0-10.79-7.96-17.99-19-17.99zm-9.45 14.5c1.25-3.99 4.67-6.5 9.45-6.5 4.79 0 8.21 2.51 9.45 6.5h-18.9zM200.24 34c0 6 3.92 10 10 10 4.12 0 7.21-1.87 8.8-4.92l7.68 4.43c-3.18 5.3-9.14 8.49-16.48 8.49-11.05 0-19-7.2-19-18s7.96-18 19-18c7.34 0 13.29 3.19 16.48 8.49l-7.68 4.43c-1.59-3.05-4.68-4.92-8.8-4.92-6.07 0-10 4-10 10zm82.48-29v46h-9V5h9zM36.95 0L73.9 64H0L36.95 0zm92.38 5l-27.71 48L73.91 5H84.3l17.32 30 17.32-30h10.39zm58.91 12v9.69c-1-.29-2.06-.49-3.2-.49-5.81 0-10 4-10 10V51h-9V17h9v9.2c0-5.08 5.91-9.2 13.2-9.2z"
+      fill="currentColor"
+    />
+  </Box>
+);