feat: add gateway auth and multi-gateway support to agent templates#427

aidandaly24 merged 6 commits intoaws:feat/gateway-integrationaws/agentcore-cli:feat/gateway-integrationfrom

aidandaly24:feat/batch-5-agent-gateway-authaidandaly24/agentcore-cli:feat/batch-5-agent-gateway-authCopy head branch name to clipboard