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

Beforehand all category headers were shown first, then all article teasers. Now the teasers are divided into categories.

See https://developers.google.com/search/docs/guides/mark-up-listings#summary-page--multiple-full-details-pages for better understanding.

- TCA tags field fix
- Module buttons/links updated
- New Module icons
- Added tags to list items
- News Module link in Page Module
- Labels updated
- Selected Language header
- pages_language_overlay author default value
- Module documentation