Allow fields to include labelled hyperlinks and be split into sections

[milanlakhani]

This enhances the look of fields in the item dialog boxes in two ways - enabling labelled hyperlinks and adding sections.

The labelled hyperlinks change allows extra fields in landscape.yml to have text values that link to a url that is not the same as the text. To add a labelled hyperlink, the syntax to use is <label>(hyperlink) (so same as markdown syntax except <> instead of [] )

The sections change adds an optional config in settings.yml, which can put the 'extra' fields in an item's dialog box into sections to improve the appearance.

Needless to

This is what the item detail box looks like with and without sections:
Without:

With:

The placement of the optional sections config in settings.yml is as follows:

big_picture:
  main:
    sections:
      - name: Section1 name
        children:
           - Key1 name in section
           - Key2 name in section
      - name : Section2 name
        children:
          ...

CC @michaelmoss @awright @GeriG966 @danielsilverstone-ct @Abhi0469

[netlify]

✅ Deploy Preview for landscapeapp ready!

Name	Link
🔨 Latest commit	9eaf377
🔍 Latest deploy log	https://app.netlify.com/sites/landscapeapp/deploys/63740c76c137f80008ab294e
😎 Deploy Preview	https://deploy-preview-851--landscapeapp.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[milanlakhani]

Hi @AndreyKozlov1984 , I'm back from my holiday now, hope you are well. Feel free to let me know any improvements that I can make if it would help :)

[AndreyKozlov1984]

@milanlakhani That is too much change, and it requires serious changes in the format. Ideally the format should be same as before, let me think a bit what we can afford