Refactor tag screen to use FlashList

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/screens/addTag.tsx

@@ -50,7 +50,6 @@ const AddTag = () => {
         id: new BSON.UUID(),
         name: tagName,
         color: tagColor,
-        memes: [],
       });
     });
     navigation.goBack();