E2E: Add info on logging to qa README.md

What does this MR do and why?

Describe in detail what your merge request does and why.

Update readme with information on logging and additional minor updates to the doc

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.