feat: add insight timer

app/Models/BackgroundSound.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class BackgroundSound extends Model
+{
+    protected $fillable = ['name', 'sound_path', 'image_path', 'order', 'is_active'];
+
+    protected $casts = [
+        'is_active' => 'boolean',
+        'order' => 'integer',
+    ];
+
+    protected $appends = ['sound_url', 'image_url'];
+
+    public function getSoundUrlAttribute(): ?string
+    {
+        return $this->sound_path ? asset('storage/' . $this->sound_path) : null;
+    }
+
+    public function getImageUrlAttribute(): ?string
+    {
+        return $this->image_path ? asset('storage/' . $this->image_path) : null;
+    }
+}