Add Cilium to list
I've been using Cilium with MetalLB for about a week and no issues so far.
@@ -18,6 +18,7 @@ have information on network addons that aren't listed!
Network addon | Compatible
--------------|---------------
Calico | Partial (see [known issues]({{% relref "configuration/calico.md" %}}))
+Cilium | Yes
Flannel | Yes
Kube-router | No ([work in progress](https://github.com/google/metallb/issues/160))
Romana | Yes (see [guide]({{% relref "configuration/romana.md" %}}) for advanced integration)
