Feature request: Add Date node to Playground

[ivailop7]

Lexical 0.32.1

Add a date node where on hover it's selectable from a calendar widget and have Today/Tomorrow/Yesterday as options to select it from the typeahead menus that prepopulate it and 'Date' for the manual selection.

[vadimkantorov]

Would also be great to have more of mature plugins/components in playground to be moved in a separate package / packages... So that they are easier to re-use in projects without copy-paste-driven updates...

[ivailop7]

Added in #7707