Custom Runner Guidance
What does this MR do?
Adds a guide and example .gitlab-ci.yml for a custom GitLab Runner with AWS CLI and Amazon ECR Credential Helper
Why was this MR needed?
Fills a documentation gap for setting up a specialized GitLab Runner for AWS-related CI/CD tasks.
What's the best way to test this MR?
- Review the new doc section.
- Build a custom runner using the guide.
- Test the runner in a sample project.
What are the relevant issue numbers?
N/A