Advise users in the docs to be careful with using RAG with sensitive/personal information

[sberyozkin]

As it may end up propagating into the LLM model outside of the trust boundaries or a response based on this augmentation can be logged by the agent

[geoand]

Doc improvements are certainly welcome!

[sberyozkin]

I'm hoping to add a dedicate security section, based on what I'm learning right now, sure

[geoand]

👌