D2088: wireprototypes: move wire protocol response types to new module

[durin42 (Augie Fackler)]

durin42 added a comment.


  I wonder if these should move to being attrs-generated at some point.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2088

To: indygreg, #hg-reviewers, durin42
Cc: mercurial-devel