문제 수 선택 기능 추가 - 5문제 / 10문제

app/page.tsx

@@ -1,4 +1,4 @@
-import Link from "next/link";
+import StartControls from "./StartControls";
 
 export default function Home() {
   return (
@@ -17,14 +17,7 @@ export default function Home() {
           </p>
         </div>
 
-        <div>
-          <Link
-            href="/play"
-            className="inline-flex h-12 items-center justify-center rounded-md bg-emerald-700 px-6 text-base font-semibold text-white transition hover:bg-emerald-800 focus:outline-none focus:ring-2 focus:ring-emerald-500 focus:ring-offset-2"
-          >
-            연습 시작
-          </Link>
-        </div>
+        <StartControls />
 
         <div className="border-l-4 border-emerald-700 pl-4 text-sm leading-6 text-slate-600">
           <p>이번 단계에서는 화면 이동만 확인합니다.</p>