feat(dashboard): show admin hints and add the hints admin page

src/pages/Dashboard.jsx

@@ -11,6 +11,7 @@ import {Skeleton} from '@/components/ui/skeleton';
 import AchievementsCard from '../components/AchievementsCard.jsx';
 import ActivityCard from '../components/ActivityCard.jsx';
 import CurrentlyPlayingCard from '../components/CurrentlyPlayingCard.jsx';
+import DashboardHint from '../components/DashboardHint.jsx';
 import GameCover from '../components/GameCover.jsx';
 import PileOfShameCard from '../components/PileOfShameCard.jsx';
 import SteamGameCount from '../components/SteamGameCount';
@@ -365,6 +366,8 @@ const Dashboard = () => {
 
             {hasSteamId && activity && <ActivityCard activity={activity}/>}
             {hasSteamId && achievements && <AchievementsCard summary={achievements}/>}
+            {/* Last child: space-y gives every other child a bottom margin, which would move the fixed card. */}
+            <DashboardHint/>
         </PageContainer>
     );
 };