- Introduced NOTIFICATION_DRY_RUN configuration option in .env.example and k8s/secret.example.yaml.
- Updated README.md to include usage instructions for the new dry run feature.
- Implemented logic in app.go to preview notifications without sending them when the dry run option is enabled.
- Enhanced config.go to load the new configuration option and validate notification types accordingly.
- Added a new function in notify.go to generate manual-needed notification messages for preview.
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