Refresh of AI features dev docs
What does this MR do and why?
- Make it clear that CustomersDot set up is usually not required
- Document AI Gateway setup via GDK because that is the simplest method
- Remove embeddings documentation because that is no longer required if you enable search through the local AI Gateway !152581 (merged)
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
How to set up and validate locally
Follow these docs and see if they work!