chore: updates to the content API (for use in CIBUS)

blog/models.py

@@ -6,6 +6,7 @@ from modelcluster.fields import ParentalKey, ParentalManyToManyField
 from modelcluster.contrib.taggit import ClusterTaggableManager
 from taggit.models import TaggedItemBase
 from wagtail.api import APIField
+from wagtail.images.api.fields import ImageRenditionField
 
 from wagtail.models import Page, Orderable
 from wagtail.fields import RichTextField, StreamField
@@ -78,6 +79,7 @@ class BlogPage(SeoMixin, Page):
     # Export fields over the API
     api_fields = [
         APIField('gallery_images'),
+        # Adds a URL to a rendered thumbnail of the image to the API
         APIField('body'),
         APIField('intro'),
         APIField('tags'),