Concluded WG Captive Portal Interaction (capport)

With the recent publication of the Captive Portal Architecture document as RFC 8952, this working group has completed its work.  It's time, then, to close the working group.

Thanks to everyone who participated in getting this work done, and a big thanks to the document editors: Tommy, Darshak, Warren, Erik, Kyle, David, and Heng.  And, of course, special thanks to the chairs, Martin and Erik, for the work they've put into keeping the working group moving.

Now let's get the protocol and API deployed.  I'll be interested in seeing reports on the mailing list as we get deployment, and as we, as users, notice the effects of having this in place.  The mailing list will remain open for that and other related discussion.