fixed controller template

src/Generator/controller.php.twig

@@ -7,7 +7,7 @@ use {{ business_namespace.as_it }}\{{ business_name.as_it }};
 use {{ dbo_namespace.as_it }}\{{ dbo_name.as_it }};
 
 class {{ controller_name.as_it }} extends LuController {
-    protected static function getBusiness()
+    protected function getBusiness()
     {
         return new {{ business_name.as_it }}();
     }