* Upgrade Stimulus to 2.0
* Convert ArticleController to use Stimulus 2
* Convert ModalController to Stimulus 2
* Convert BufferController to Stimulus 2
* Convert ConfigController to use Stimuus 2
* Convert ImageUploadController to Stimulus 2
* Convert Reaction controller to Stimulus 2
* Add feature flag for profile admin section
* Fix spec description
* Also remove profile admin link from sidebar
* Disable profile admin routes based on feature flag
* Minor fixes
* Remove unnecessary object from spec
* Refactor AdminHelper
* Fix specs
* Fix remaining specs
* First draft - all the big changes
* Changing some more references to 'internal'
* Relocate internal request tests to admin
* Relocate internal system tests to admin
* Fix trailing space
* Test fix
* Move queries from internal to admin
* Docs updates
* Rename internal stimuls controllers to admin (plus docs)
* Rename admin layout
* Fix routing after rebase
* Fixes for latest added admin interfaces
* Serviceworker ignore paths