set broadcasting in admin and setup wizard

src/Domain/Settings/Requests/StoreBroadcastServiceCredentialsRequest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Domain\Settings\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreBroadcastServiceCredentialsRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'driver'  => 'required|string',
+            'id'      => 'sometimes|nullable|string',
+            'key'     => 'sometimes|nullable|string',
+            'secret'  => 'sometimes|nullable|string',
+            'cluster' => 'sometimes|nullable|string',
+            'port'    => 'sometimes|nullable|string',
+            'host'    => 'sometimes|nullable|string',
+        ];
+    }
+}