feat: add docker-compose deployment and harden gateway startup

- add docker-compose setup with hermes-agent + hermes-webui

- make runtime config env-driven (compose vars + HERMES_BIN)

- improve gateway startup/restart resilience in docker

- make base image configurable via BASE_IMAGE/HERMES_AGENT_IMAGE

Closes https://github.com/EKKOLearnAI/hermes-web-ui/issues/14

.gitignore

@@ -18,6 +18,7 @@ ROADMAP.md
 packages/server/data/
 packages/server/node_modules/
 .hermes-web-ui/
+hermes_data/
 
 # Editor directories and files
 .vscode/*