adding route for playground

Client/src/App.jsx

@@ -5,6 +5,7 @@ import Login from "./Pages/Login";
 import Register from "./Pages/Register";
 import HomeLayout from "./Layouts/HomeLayout";
 import Demo from "./Pages/Demo/Demo";
+import PlayGround from "./Pages/PlayGround/PlayGround";
 
 function App() {
   return (
@@ -15,6 +16,7 @@ function App() {
         <Route exact path="/login" element={<Login />} />
         <Route exact path="/demo" element={<Demo />} />
         <Route path="*" element={<NotFound />} />
+        <Route path="/playground" element={<PlayGround />} />
       </Routes>
     </>
   );