* 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
* Adds valid status to the feedback_message model and a spec to validate the status
* Adds an unresolve button to resolved vomits in _abuse_reports.html.erb
* Adds functions to update valid status in reaction_controller.js
* Use invalidate in place of unresolve for unconfirming vomit button
* Add option to reopen vomit reactions marked as invalid and invalidate resolved vomits
- Adds a Reopen button under the invalid tab
- Adds confirmedStatus JS to reaction_controller.js
- Adds conditional to _abuse_reports.html.erb
* 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
