This is done to leave the background color and content margin handling fully in the extension user's hands.

[BUGFIX] Add record filter to ListByCategory and OverviewWithoutCategories view for ScrollBrowser JS to work

[FEATURE] remove static JS includes and rewrite all JS to ES6 modules

See merge request !18

[FEATURE] Optimized TCAs

See merge request !19

[FEATURE] Reload news page properties when highlighting status changes

See merge request !17

Feature new tabs

See merge request !16

This is because in TYPO3 9, the page translations are themselves real page
records and would get mixed up then sorting via uid. The more safe way to
sort those is to use the sorting, thich also represents the sorting in the
backend page tree.

Feature fix typo3v9 testing issues

See merge request !15

# Conflicts:
#   Resources/Private/Templates/ListByCategory/Index.html