add registrations to customer gui

customerapi/models/details/RoomDetailsView.php

@@ -0,0 +1,19 @@
+<?php
+
+
+namespace customerapi\models\details;
+
+
+use common\models\Room;
+
+class RoomDetailsView extends Room
+{
+    function fields()
+    {
+        return [
+            'id' => 'id',
+            'name' => 'name',
+            'seat_count' => 'seat_count'
+        ];
+    }
+}