add inventory and supply logic

app/Http/Requests/Inventory/SupplierIndexRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Http\Requests\Inventory;
+
+use App\Http\Requests\ApiFormRequest;
+
+class SupplierIndexRequest extends ApiFormRequest
+{
+    public function authorize(): bool
+    {
+        return auth()->check();
+    }
+
+    public function rules(): array
+    {
+        return [
+            'q' => ['nullable', 'string', 'max:120'],
+            'per_page' => ['nullable', 'integer', 'min:1', 'max:100'],
+        ];
+    }
+}