playground: Add PlaygroundController and corresponding route for playground page

Author: SamuelBisberg

app/Http/Controllers/PlaygroundController.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Inertia\Inertia;
+
+class PlaygroundController extends Controller
+{
+    /**
+     * Handle the incoming request.
+     */
+    public function __invoke(Request $request)
+    {
+        return Inertia::render('playground/index', [
+            'data' => [],
+        ]);
+    }
+}

resources/js/pages/playground/index.tsx

@@ -0,0 +1,21 @@
+import AppLayout from '@/layouts/app-layout';
+import AuthLayout from '@/layouts/auth-layout';
+
+type Props = PageProps<{
+  data: unknown;
+}>;
+
+function Index({ data, user }: Props) {
+  const Layout = user ? AppLayout : AuthLayout;
+
+  return (
+    <Layout
+      title="Playground"
+      description="Playground for testing and experimenting with features"
+    >
+      <pre>{JSON.stringify(data, null, 2)}</pre>
+    </Layout>
+  );
+}
+
+export default Index;

routes/web.php

@@ -1,8 +1,13 @@
 <?php
 
+use App\Http\Controllers\PlaygroundController;
 use Illuminate\Support\Facades\Route;
 use Inertia\Inertia;
 
+if (config('app.debug')) {
+    Route::get('playground', PlaygroundController::class)->name('playground');
+}
+
 Route::get('/', function () {
     return Inertia::render('welcome');
 })->name('home');