Update Doctor Resource

app/Models/District.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class District extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'id',
+        'city_id',
+        'name'
+    ];
+
+    public function city()
+    {
+        return $this->belongsTo(City::class, 'city_id');
+    }
+
+    public function villages()
+    {
+        return $this->hasMany(Village::class, 'district_id');
+    }
+}