Add "resolve_relations" capabilities in custom field type objects

[Slackman2015]

The issue occurs while working with: (check one with "x")

• [ ] app.storyblok.com (CMS - Interface)
• [x] api.storyblok.com (CMS - Content Delivery API)
• [ ] mapi.storyblok.com (CMS - Management API)
• [ ] capi.storyblok.com (Commerce - API)
• [ ] Commerce - Interface
• [ ] Other

I'm submitting a ... (check one with "x")

• [ ] bug report
• [x] feature request
• [ ] question

Current behavior:

Relations have to be resolved manually by fetching them with an additional call which can make a code more complicated and error prone causing longer development and debugging times. Expected behavior:

The code could be smaller, faster and easier to maintain if the "resolve_relations" parameter would be available in the plugins area too. Steps to reproduce:

Related code:

insert any relevant code here

Other information:

[onefriendaday]

Unfortunately this functionality can not be to the api at the moment. We recommend you to use the standard "Option" or "Multi-Option" field if you want to use resolve_relations.