* Guix seatd-greetd-services #49969

** Commit messages should be "gnu: Add greetd-pam-mount."
Don't forget period

** Documentation should be split between seatd and greetd
Include documentation with commits of services
Include =terminal-switch= flag in documentation example

** =greetd= package should be moved to =gnu/packages/admin.scm=

** =greetd-service-type= should be moved to =gnu/services/base.scm=

** =seatd= package should be moved to =gnu/packages/admin.scm=

** =libseat= should be packaged separately to =gnu/packages/admin.scm=