Update assignments when patterns are added

correctly handle multiple assignments

NOTE: minimum requirement is PHP 7.4 now

move all constants to their own class

make it easier to check permissions for the current user

fix deny behavior when no published version is available

avoid infinite loop on initialization

Fix path to migration file

Check for existence

Include structpublish schema import in migration

Update schema data on publish

Register custom sqlite function via event

Remove obsolete helper

Save published status in own field

Cleaner access to revision data

Working check whether current user may see not only published revisions

WIP Show only published revisions to users without publishing privileges

Approve action

More info in publish banner

Admin interface and required code cleanup

Simple syntax

Use a regular struct schema instead of custom table

Publishing not quite working yet

WIP

Initial commit