Discoverability of image helper with content collections

[sarah11918]

📚 Subject area/topic

content collections, images

📋 Suggested page

https://docs.astro.build/en/guides/content-collections/#defining-a-collection-schema

📋 General description or bullet points (if proposing new content)

We show an example of defining an image in a content collections schema, but don't describe using images at all on this page (only the image page) and don't link there.

🖥️ Reproduction of code samples in StackBlitz

No response

[at-the-vr]

does that includes create a blog layout and define image source in md/mdx files ?

Something like BlogPost.astro being used for slugs and first-post.md from the Blog template