Issue #2900421 by timmillwood, tim.plunkett, catch, Sam152: Architectural review of the Content Moderation module

Issue #2766957 by timmillwood, vijaycs85, plach, Sam152, Gábor Hojtsy, catch, dawehner, alexpott, hchonov: Forward revisions + translation UI can result in forked draft revisions

Issue #2812811 by Sam152, timmillwood, amateescu, alexpott, catch: Use EntityPublishedInterface during moderation of entities to add support beyond nodes

Issue #2725533 by timmillwood, alexpott, amateescu, webchick, dixon_, larowlan, dawehner, catch, Crell, Bojhan, jibran, Wim Leers, agentrickard, Berdir: Add experimental content_moderation module