* updated the cognito setup, gateway creation using agentcore sdk
* added the config directory with test file
* updated the automation scripts and simplified the approach to install and test it
* updated the tool description in the target creation and updated readme file
* added agentcore observability for agentcore gateway
* updated architecture diagram
* Update observability section in README.md with more concise information
* removed old folder directory
* updated the tool description in the targets
