6543 81c833d92d
Add support to migrate from gogs ()
Add support to migrate gogs:

  *  issues
  *  comments
  *  labels
  *  milestones
  *  wiki


Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Andrew Thornton <art27@cantab.net>
..
chardet deps: update and fix chardet import ()
cron Move status table to cron package ()
go-gogs-client Add support to migrate from gogs ()