docs: Add some more to the migration guide
authorMatthias Clasen <mclasen@redhat.com>
Wed, 21 Oct 2020 18:30:17 +0000 (14:30 -0400)
committerMatthias Clasen <mclasen@redhat.com>
Wed, 21 Oct 2020 18:30:17 +0000 (14:30 -0400)
commitd7794bf60825e1e2d9c32b491195bd58b93adf52
tree932464da970865ed873c7174bb07a31a26cbf6b4
parent31519061572b3f0567dccb614e3c23a2bec96ceb
docs: Add some more to the migration guide

Expand the section on life-cycle handling with some
more details.
docs/reference/gtk/migrating-3to4.md