Add placeholder images, enhance alert styles, and implement theme toggle component with dark mode support

app/Livewire/Counter.php

@@ -1,25 +1,26 @@
 <?php
- 
+
 namespace App\Livewire;
- 
+
 use Livewire\Component;
- 
+
 class Counter extends Component
 {
     public $count = 1;
- 
+
     public function increment()
     {
         $this->count++;
     }
- 
+
     public function decrement()
     {
         $this->count--;
     }
- 
+
     public function render()
     {
-        return view('livewire.counter');
+        return view('livewire.counter')
+            ->layout('layouts.app');
     }
 }