[v4.9.4] SSE Endpoint Implementation
Added
New Server-Sent Events Endpoint for vault modifications
Allows h2agent to push real-time updates to a client over a single, long-lived HTTP connection.
This complements polling feature to improve performance when detecting vault changes.
Docker images
https://github.com/users/testillano/packages/container/package/h2agent
https://github.com/users/testillano/packages/container/package/h2agent_builder
https://github.com/users/testillano/packages/container/package/h2agent_training