Add branch & province model

app/Nova/Resources/Branch/Concerns/BranchNovaRepo.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Nova\Resources\Branch\Concerns;
+
+use App\Models\Branch\Branch;
+
+class BranchNovaRepo
+{
+    /**
+     * Depends on region
+     */
+    public static function dependsOnRegion(): Closure
+    {
+        return function ($field, $request, $formData) {
+            $field->options(
+                $formData->region 
+                    ? Branch::where('region', $formData->region)->pluck('name', 'id') 
+                    : []
+            );
+        };
+    }
+}