first commit

test-05/src/App.tsx

@@ -0,0 +1,14 @@
+function App() {
+  return (
+    <div>
+      <h1>React Hosting Test</h1>
+      <p>React is running successfully!</p>
+
+      <button onClick={() => alert("React JavaScript works!")}>
+        Test React
+      </button>
+    </div>
+  );
+}
+
+export default App;