Expose swagger ui using kong

I want to expose swagger-ui of my web service using kong.

I have written one service and route that can hit
http://webservice_url/swagger-ui.html
But it seems that when I open developer tools in chrome and examine the request made and output seen on the browser. It seems subsequent request made have /swagger-ui.html removed in it.
Few sample request made internally.
http://webservice_url/webjars/springfox-swagger-ui/springfox.css?v=2.9.2
http://webservice_url/webjars/springfox-swagger-ui/swagger-ui-standalone-preset.js?v=2.9.2

How can I expose swagger in this case?