Choose a router to use

[php-coder]

In order to be able to use path parameters (like categoryId in /v1/categories/:categoryId), in Golang (#9) we need to use a library or implement this logic by ourselves.

Related links:

• https://stackoverflow.com/questions/29211241/go-url-parameters-mapping
• https://github.com/julienschmidt/httprouter
• https://github.com/gorilla/mux
• https://github.com/go-chi/chi

[php-coder]

@theshamuel has suggested to use chi