fix Star on GitHub typo

Author: lockieluke

components/ui/Hero/index.tsx

@@ -42,7 +42,7 @@ export default () => {
             target="_blank"
           >
             <IconGithub className="w-5 h-5" />
-            Star on GithHub
+            Star on GitHub
           </LinkItem>
         </div>
       </div>