List sub sections

[mark-drastrup]

Which issue does this PR close?

This PR closes #1604

What is the new behavior?

Makes it possible to create sub sections / stand alone items in both normal lists and lists with sections.

Does this PR introduce a breaking change?

• Yes
• No

Checklist:

The following tasks should be carried out in sequence in order to follow the process of contributing correctly.

Reminders

• Make sure you have implemented tests following the guidelines in: "The good: Test".
• Make sure you have updated the cookbook with examples and showcases (for bug fixes, enhancements & new components).

Review

• Do a self-review.
• Request that the changes are code-reviewed
• Request that the changes are UX reviewed (only necessary if your PR introduces visual changes)

When the pull request has been approved it will be merged to develop by Team Kirby.

[jkaltoft]

Looking good. Just a single thing left 🙂

[jkaltoft]

It looks like something is broken in the "List with sections" example:

[mark-drastrup]

It looks like something is broken in the "List with sections" example:

@jkaltoft are you still experiencing this issue? I cannot replicate it locally or on the deployment 🤔

[jkaltoft]

It looks like something is broken in the "List with sections" example:

@jkaltoft are you still experiencing this issue? I cannot replicate it locally or on the deployment 🤔

No, it looks alright now 🤷‍♂️

[jkaltoft]

I think we're finally there 🎉🥳