Add tooltip pattern

client/patterns/popover-arrow/Details.tsx

@@ -1,5 +1,7 @@
 import React from 'react';
 
+import RelatedPatterns from '../../components/RelatedPatterns';
+import Pattern from '../../constants/Pattern';
 import DetailsLayout from '../../layouts/DetailsLayout';
 import BrowserFrame from '../../placeholders/BrowserFrame';
 
@@ -421,6 +423,8 @@ const Details: React.FC<{}> = () => {
 `}
                 />
             </div>
+
+            <RelatedPatterns patterns={[Pattern.Tooltip]} />
         </DetailsLayout>
     );
 };