Add Cilium project

[JosephYostos]

No description provided.

[JustinGOSSES]

Is Cilium a Microsoft originated project?

[JosephYostos]

Is Cilium a Microsoft originated project?

@JustinGOSSES No, Cilium was originally invented by Isolvalent. But Microsoft is a major contributor and consumer of Cilium. We use Cilium as a core networking data plane in AKS.

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[JosephYostos]

Hi, @JustinGOSSES @jeffwilcox, any updates on this PR?

[github-actions]

This PR has been identified as stale because it has gone 7 days with no activity.
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[github-actions]

This PR has been identified as stale because it has gone 7 days with no activity.
The PR will be closed in 2 days. If this is incorrect, simply comment on the PR, or remove the stale label.