Merge branch 'main' of ssh.gitlab.aws.dev:jlanger/async-agents-workshop

added missing PUBLISH_API_ENDPOINT

fixed missing import for requests

Added text related to human approval.

Added notice about long wit time

Added necessary imports and fixed region setting

Added diagrams and changed color in lab 2 from orange to purple.

Added visuals and fixed env variables, also removed region from Agent creation.

Fixed wrong archtiecture build for strands layer

Removed region reference in first notebook

Added accidently ignored js file

Updated layer management for lab 2

Added strnds layer , and updates to README

Updated outputs

First version of prereqs