Mount a Plumber routerSource:
Plumber routers can be “nested” by mounting one into another
mount() method. This allows you to compartmentalize your API
by paths which is a great technique for decomposing large APIs into smaller
files. This function mutates the Plumber router (
pr()) in place and
returns the updated router.
The host Plumber router.
A character string. Where to mount router.
A Plumber router. Router to be mounted.