* Expose current visitors 12h aggregate
* Remove unused site association
* Distinct drop/spike notification factories
* Rename modules accordingly + implement drop handling
* Rename periodic oban service
* Implement drop email
* Rest of the owl
* Update changelog
* Update moduledoc
* Update moduledoc
* Min threshold to 1
* Threshold 1
* Remove merge artifact
* Put panel behind a feature flag
* Format
