- Document the types used in
COURSE_NOTIFICATION_TYPES and COURSE_NOTIFICATION_APPS.
- Port the wiki page on creating a new notification to the docs here.
- Add some miscellaneous docs and placeholder TODO notes.
- Add a data flow diagram.
- Add a short getting started guide for operators
(mainly for getting email notifications working).
Private-ref: https://tasks.opencraft.com/browse/BB-10065
