Revert removing Virtual Machine, removed by
https://github.com/aenix-io/cozystack/pull/403
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
- **New Features**
- Introduced a new package: `virtual-machine` with multiple version
entries.
- Added comprehensive documentation and configuration for the
`virtual-machine` application.
- New Helm chart and templates for Kubernetes resources, enhancing
deployment options.
- **Bug Fixes**
- Updated version entries for existing packages, ensuring accuracy in
versioning.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Signed-off-by: Andrei Kvapil <kvapss@gmail.com>