Add house leaderboard feature: Integrate house leaderboard functionality in LeaderboardPage and LeaderboardSection components. Update userStatsService to fetch house leaderboard data, and enhance UI to display house rankings, scores, and member details. Update Prisma schema to include house-related models and relationships, and seed database with initial house data.

app/api/leaderboard/houses/route.ts

@@ -0,0 +1,17 @@
+import { NextResponse } from "next/server";
+import { userStatsService } from "@/services/users/user-stats.service";
+
+export async function GET() {
+  try {
+    const leaderboard = await userStatsService.getHouseLeaderboard(10);
+
+    return NextResponse.json(leaderboard);
+  } catch (error) {
+    console.error("Error fetching house leaderboard:", error);
+    return NextResponse.json(
+      { error: "Erreur lors de la récupération du leaderboard des maisons" },
+      { status: 500 }
+    );
+  }
+}
+