new feature(CmsKit): Marked Item

[suhaib-mousa]

Resolves #4763

Add a marked item feature to mark items as favorite, starred, flagged, or bookmarked.

• Added Marked Toggling Component to mark items via pre-defined icons/emojis.
• Created a Marked Item widget for toggling marks on items.

Checklist

• [X] I fully tested it as developer / designer and created unit / integration tests
• [X] I documented it.

Future Work

• Build a page for the marked items for the user.