go-chi middleware span support

[kosukeoya]

With nodejs express, you can create a span for each piece of middleware and measure and visualize the time spent processing each piece of middleware. I would like go-chi to support this as well.

https://github.com/DataDog/dd-trace-js/blob/master/packages/datadog-plugin-router/src/index.js

[agis]

Is there support for this currently?