* feat: adds admin.upload.collections[collection-name].fields to the RTE to save specific data on upload elements
* chore: renames flatten to unflatten in reduceFieldsToValues, disables automatic arrow function return in eslint
* docs: adds documentation for upload.collections[collection-name].fields feature
* feat: adds recursion to richText field to populate relationship and upload nested fields
* chore: removes unused css
* fix: import path for createRichTextRelationshipPromise
* docs: updates docs to include images for the RTE upload docs
* feat: rich text indent PoC
* fix: new slate version types
* feat: ensures only lowest rich text list is shown as active
* feat: adds icons for indentation
* docs: adds indent to rich text
* feat: adds relationship field to test searchable input
* fix: searching on relationship fields properly fetches results
* chore: more dry relationship field
* feat: sets default access control to requiring a user to be logged in
* feat: dynamically populates richtext relationships
* feat: allows depth param in graphql richText field
* feat: ensures relationship input is initialized with up to 3 related collections
