* 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
* Genericize AdminConfig Modal
* Rename function, add JSDoc documentation
* Tests for modal-building function
* Still trying to get jest test to pass
* Fix failing jest test
* 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