This function helps check and set the necessary environment variables to authenticate to a Hue bridge on the local network.
auth_local(
ip = Sys.getenv("PHILIPS_HUE_BRIDGE_IP"),
username = Sys.getenv("PHILIPS_HUE_BRIDGE_USERNAME")
)
the IP address of your Hue bridge
the username with access to your Hue bridge
Returns TRUE
(invisibly) if options were successfully set