* Initial stab at how this could look
* Authorization PoC wip
* Add connection manager
* Add DI to its own class
* Use enum instead of string
* Use groups
* Refactor group management into its own service
* Update a users groups when it's saved
* Add saved events
* Wire up deleted notifications
* Ensure update date and create date is the same
* Cleanup
* Minor cleanup
* Remove unusued usings
* Move route to constant
* Add docstrings to server event router
* Fix and suppress warnings
* Refactor to authorizer pattern
* Update EventType
* Remove unused enums
* Add trashed events
* Notify current user that they've been updated
* Add broadcast
We don't need it, but seems like a thing that a server event router should be able to do.
* Add ServerEventRouterTests
* Add ServerEventUserManagerTests
* Use TimeProvider
* Remove principal null check
* Don't assign event type
* Minor cleanup
* Rename AuthorizedEventSources
* Change permission for relations
* Exctract event authorization into its own service
* Add some tests
* Update name
* Add forgotten file
* Rmember to add to DI
