Content Collections Guide Doesn't Mention To ReRun Astro

[Notenlish]

📚 Subject area/topic

Add Content To Your Site / Content Collections

📋 Page(s) affected (or suggested, for new content)

https://docs.astro.build/en/guides/content-collections/

📋 Description of content that is out-of-date or incorrect

I was having a problem with the guide because I couldn't figure out how to get astro to load my collections, turns out it didnt find my collections because I hadn't restarted astro/ran astro sync

there should be a warning to remind the reader to rerun astro after adding a collection, imho

🖥️ Reproduction in StackBlitz (if reporting incorrect content or code samples)

No response