[WIP] Add custom Copilot agent configuration for OnChain Test Kit#429

Copilot wants to merge 1 commit intomainMunyayLLC/https-github.com-joe10832-onchaintestkit:mainfrom

copilot/add-custom-agent-configurationMunyayLLC/https-github.com-joe10832-onchaintestkit:copilot/add-custom-agent-configurationCopy head branch name to clipboard