- Implemented a new `cert-manager` module for deploying cert-manager.
- Added support for specifying a Helm repository in module configurations.
- Introduced `cert_manager` module in `modules/mod.rs`.
- Created `src/modules/cert_manager` directory and its associated code.
- Implemented `add_repo` function in `src/modules/helm.rs` for adding Helm repositories.
- Updated `LAMPInterpret` and `lamp.rs` to integrate the new module.
- Added logging for Helm command execution.
- Updated k8s deployment file to remove unused DeepMerge dependency.
