website refactor

apps/website/lib/display-objects/WinRateDisplay.ts

@@ -0,0 +1,7 @@
+export class WinRateDisplay {
+  static calculate(racesCompleted: number, wins: number): string {
+    if (racesCompleted === 0) return '0.0';
+    const rate = (wins / racesCompleted) * 100;
+    return rate.toFixed(1);
+  }
+}