fix(explore): add extra margin to endMessage of infinity scroll

This way the message doesn't seem so squeezed in

Signed-off-by: Philip Molares <philip.molares@udo.edu>

frontend/src/components/explore-page/explore-notes-section/notes-list/notes-list.tsx

@@ -103,7 +103,7 @@ export const NotesList: React.FC<NotesListProps> = ({ mode, sort, searchFilter,
         </div>
       }
       endMessage={
-        <div className={'text-center fs-4'}>
+        <div className={'text-center fs-4 mt-4'}>
           <p>
             <Trans i18nKey={'explore.noMoreNotesFound'} />
           </p>