ci: setup application helms in the monorepo

Description

Move away from app-helm repo, and add helms into the monorepo - easier management for app and deployment.

Related issues

https://code.vereign.com/Infrastructure/devops/-/issues/611

Testing

Manual testing of pipelines.

Checklist

• I have updated the documentation (if necessary)
• I have added unit tests for new functionality (if applicable)
• My code follows the style guidelines of this project
• I have tested this code on my local machine before submitting this MR

Reviewers

@georgi.todorov

Additional Notes

• No additional notes