New features

• Issue #3048206: Added [Length Indicator] module 8.1.0-rc3
  
  • Added [Length Indicator] to the form view config for [Basic page] content type

• Convert first letter lookup logic to use utf8.
• Use config supplied Group prefixes instead of hardcoded ones.
• Temporary fix for incorrect ALL Count.
• Update processor instructions.
• Add facets dependency checks
• Make Group names configurable.
• Make helper class into a service.
• Add a dependency check for all processors.
• Better documentation for methods.
• Code cleanup.

• Convert first letter lookup logic to use utf8.
• Use config supplied Group prefixes instead of hardcoded ones.
• Temporary fix for incorrect ALL Count.
• Update processor instructions.
• Add facets dependency checks
• Make Group names configurable.
• Make helper class into a service.
• Add a dependency check for all processors.
• Better documentation for methods.
• Code cleanup.

• Issue #3049762: Added [Length Indicator] to the form view config for [Hero slider] content type

1. Issue #3049065 by aludescher: Move cache invalidator out of the sanitizer service
2. Issue #3049056 by aludescher: Implement cache tags based on field values

* ebba143e Drop the version requirement for themekit, to not avoid confusion with Composer.
* 2f0b057f Create BuildProvider_Repeat.
* 4b863c36 (CS) Use @return self.
* 3996b173 Fix RenderUtil::validateList() for empty-string delta.
* c99e867f (CS) Remove unused import.
* ad1f2776 Make the list format optional in EntitiesListFormat_ListFormat.
* 72e6eacc Add BuildProvider_ViewsExposedForm.
* a18a01eb Add note in *.info file, about themekit version in cfr.