Add RoomSearch component to App

Author: jylee05

src/App.tsx

@@ -1,7 +1,13 @@
 import Router from './router/Router';
+import RoomSearch from './pages/SearchRoom/RoomSearch';
 
 const App = () => {
-  return <Router />;
+  return ( 
+    <div>
+      <Router />;
+      <RoomSearch />
+    </div>
+  );
 };
 
 export default App;