Upgrading to v1alpha2

[vincepri]

/kind design
/area api
/area upgrades
/area ux
/milestone v1alpha2

Describe the solution you'd like
This issue is to track the development towards v1alpha2, including Machine States & Preboot Bootstrap Proposal.

• Design how to handle v1alpha1 to v1alpha2 upgrades
• Document how infrastructure providers can upgrade their codebase to v1alpha2

[detiber]

/close

[k8s-ci-robot]

@detiber: Closing this issue.

In response to this:

/close

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