Multiple link support

[emteknetnz]

Story

As a CMS User I want to be able to add multiple links to a link field so that I am not limited to adding only a single link

Acceptance criteria

• Ability to add multiple links to a link field
• Ability to delete links from a link field
• Multi link field works in both Elemental inline form and regular pages forms.
• Design has been validated with UX team
• Documentation is updated to mention how to manage links of list

Notes

• There is an implementation in an old PR that may be useful - Add multi link support #45
• We never validated how the LinkField should look when rendering many links
• The POC splits the Single Link and Many Link fields into two different form fields. We're not tied to that approach, although it probably makes sense.
• We have some pre-existing problems with fields that need to read their relation on their parent data object. This has cause us problems with the Upload field in Elemental in the past.

Exclude

• Ability to sort multiple links within a link field (will split as a separate card)

Rough design - doesn't have to be exact

PRs

• NEW Add MultiLinkField #120

[emteknetnz]

Linked PR has been merged