feat: implement helm chart generation and publishing

- Added functionality to generate a Helm chart for the application.
- Implemented chart packaging and pushing to an OCI registry.
- Utilized `helm package` and `helm push` commands.
- Included configurable registry URL and project name.
- Added tests to verify chart generation and packaging.
- Improved error handling and logging.

.gitignore

@@ -1,3 +1,4 @@
 target
 private_repos
 log/
+*.tgz