Added use of more accessible tags to create tabbed-interfaces then
updated css and JS to require use of those attributes rather than custom
techniques.
Updated relevant parts of app.
Some custom parts using their own tabs though, something to improve in
future.
- Updated PhpStan PHP version option to match project.
- Applied StyleCI changes.
- Updated static to self in WebhookFormatter, following static analysis
guidance.
- Fixed mis-matched header tags.
- Split settings out to new views using a core shared layout.
- Extracted added language text to translation files.
- Updated settings routes to be dynamic to category.
- Added redirect for old primary settings route.
- Updated existing tests to cover settings route changes.
- Added tests to cover settings view.
- Improved contrast of settings links for dark mode.
