refs https://github.com/TryGhost/Ghost/issues/10318
- precursor to migrating from `settings.type` to `settings.group`
- renames `blog` type to `site`
- renames `bulk_email` type to `email`
- moves settings out of `site` (previously `blog`) into more appropriate groups such as `core` or individual feature groups
no issue
- Secondary navigation means most nav concepts are supported, e.g. header & footer, or left & right
- The UI is added separately, this PR adds supporting concepts:
- make sure the default value is an empty array
- add support in the API (v3 only)
- add handling in the navigation helper
no issue
- Removed ghost_head/ghost_foot propeties from Content API `GET /setting` response
- Removed ghost_head/ghost_foot from the output in Admin API
- Added validation when requesting ghost_head/ghost_food fields
- Updated deprecation comments
refs #10318
- This settings endpoint returns the commonly used, public information from our settings.
- The values are whitelisted each with a custom name for returning from the endpoint
