re-add missing stub files

resources/stubs/modules/resource.stub

@@ -0,0 +1,19 @@
+<?php
+
+namespace $NAMESPACE$;
+
+use Illuminate\Http\Resources\Json\Resource;
+
+class $CLASS$ extends Resource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @param  \Illuminate\Http\Request
+     * @return array
+     */
+    public function toArray($request)
+    {
+        return parent::toArray($request);
+    }
+}