chore: add padding between github cards

Author: jestsee

src/content/projects/bookmarked-android.mdx

@@ -57,8 +57,10 @@ When the frustration peaked, I decided to involve a tool I was more familiar wit
 
 ## Repositories
 
-<GithubCard owner='jestsee' repository='bookmarked-android' />
-<GithubCard owner='jestsee' repository='bookmarked-api-hono' />
+<div className='not-prose space-y-4'>
+  <GithubCard owner='jestsee' repository='bookmarked-android' />
+  <GithubCard owner='jestsee' repository='bookmarked-api-hono' />
+</div>
 
 ## Outro