New features

Changes since 8.x-1.0-beta2:

Changes since 7.x-1.0-rc3:

• #2932504: Add a webviewer_url_handler plugin for bitbucket URLs.

#2931009: Implement Data Generators plugin type with a corresponding Data Provider plugin instance that relies on them
#2931338: Implement Resource plugin type, change Data providers to Resource providers (renamed Data Providers plugins to Resource Providers)
#2920450: Add a formatter for generic image (and maybe other) field type to allow to create galleries based on visualn styles
#2896129: Add some more sample drawers (added Youtube and Vimeo standalone drawers)

• Adds support for ludwig.json.
• Increases league/csv dependency to ^8.
• Make strip tags and html encoding optional.

Biggest update in years as we are leaving sass behind to use post css

Issue #2934130 by kyberman: Allow to alter extracted configuration