Refactor GroupResource to use a static property for navigation icon; add method documentation for name attribute in Group model.

app/Models/Room.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Room extends Model
+{
+    use HasFactory;
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'images' => 'array',
+            'wide' => 'boolean',
+        ];
+    }
+
+    public function hotel(): BelongsTo
+    {
+        return $this->belongsTo(Hotel::class);
+    }
+}