big update base struktur tahap 1

app/Models/WilayahKabupaten.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class WilayahKabupaten extends Model
+{
+    protected $table = 'wilayah_kabupaten';
+
+    protected $fillable = ['provinsi_id', 'kode', 'nama'];
+
+    public function provinsi(): BelongsTo
+    {
+        return $this->belongsTo(WilayahProvinsi::class, 'provinsi_id');
+    }
+
+    public function kecamatan(): HasMany
+    {
+        return $this->hasMany(WilayahKecamatan::class, 'kabupaten_id');
+    }
+}