feat: add Company model and TrackedModel trait; update Park model to use Company as owner

app/Models/Company.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use App\Traits\TrackedModel;
+
+class Company extends Model
+{
+    use HasFactory, TrackedModel;
+
+    protected $fillable = [
+        'name',
+        'slug',
+        'description',
+        'website',
+        'founded_year',
+        'headquarters',
+        'status'
+    ];
+
+    public function parks()
+    {
+        return $this->hasMany(Park::class, 'owner_id');
+    }
+
+    public function updateStatistics()
+    {
+        // Implementation matching Django's Company.update_statistics()
+        $this->loadCount('parks');
+        $this->save();
+    }
+}