fix: title
minor frontend fix
added service variable resolver
created variable resolver factory
page tree view: minor fix
fix: missing 'break' into switch/case statement
BlockConfigAdmin: added readonly attribute for non editable fields
fix: Menu entity __toString() method
added css classes to form elements
added url focus on page creation
added twig variables list with status into block editor
implemented PageRenderer methods, RenderableObject interface and controller refactor