Update KubeVirt Cloud Providers Docs

[moadqassem]

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[kubermatic-bot]

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[kubermatic-bot]

Issues go stale after 90d of inactivity.
After a furter 30 days, they will turn rotten.
Mark the issue as fresh with /remove-lifecycle stale.

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/lifecycle stale

[kubermatic-bot]

Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten.
Rotten issues close after an additional 30d of inactivity.

If this issue is safe to close now please do so with /close.

/lifecycle rotten

[toschneck]

@moadqassem needs a rebase

[toschneck]

/remove-lifecycle rotten

[archups]

PR should be rebased and content should be duplicated in applicable kubermatic/ directories as well. Thanks!

[archups]

Please take care of #1874 (comment) Thanks!