Guidelines and assets to create and manage a list of items when it is the only item on a page and not part of a wider context.

As found in crud_component investigation findings and recom... (#2965 - closed) there are pages that exist to form crud actions of a list of items. Some of these are just a heading and a crud_component

Proposal

Create guidelines and assets (perhaps a page template) to support these, and other pages that exist to manage a list of items.

For example:

and so on