- Add JS widget to handle front-end logic and for better encapsulation
- Move SCSS files to match convention
- Update SCSS files
- Remove unused SCSS file
- Move HTML templates to match convention
- Remove unused HTML template
- Renamed codes and folders to match convention
- Update PHPDoc
- Reformat code
- Remove usage of return type hinting when using "self"
* Fix TWIG exceptions due non existent JS templates for ajax tab
* Fix DisplayBlock::GetRenderContent and HistoryBlock::GetRenderContent signature mismatch warning
* Add return type hinting on ButtonFactory methods
* Rename ButtonFactory::MakeAlternativeNeutralActionButton() to ButtonFactory::MakeLinkNeutral()
* Add ButtonFactory::MakeLinkNeutral() to visual test page
* Fix button spacing/padding when only icon or label