add more controller

app/Http/Requests/Settings/ConfigurationStoreRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Http\Requests\Settings;
+
+use App\Http\Requests\ApiFormRequest;
+
+class ConfigurationStoreRequest extends ApiFormRequest
+{
+    public function rules(): array
+    {
+        return [
+            'config_key' => ['required', 'string', 'max:255'],
+            'config_value' => ['required', 'string'],
+        ];
+    }
+}