4.0.0-alpha.23

Added

• Support for indexable blocks (requires plone.restapi 6.1.0) @timo
• Set alt tag of image when selecting image in image block @robgietema

Changes

• More cleaning the body classname from the current displayname view @sneridagh
• Make it possible to paste links, lists, b and i Elements into text-blocks
  @jackahl
• added option to include mp4 files from a remote source in video Block @steffenri @jackahl