Add self-signed ClusterIssuer and test Certificate deployment to cert_manager role for verifying cert-manager functionality, while refactoring uyuni role to use self-signed issuer locally instead of external Let's Encrypt references and introduce database credential secrets generation.
Remove custom changed/failed logic for helm repo add and separate repo update step, improving playbook reliability by relying on helm's built-in idempotency and reducing false positives during dry-run execution
Introduce cert-manager role and a dedicated playbook for automated certificate management setup, complementing the newly restructured uyuni role for comprehensive infrastructure automation.
