Mark evergreen articles as such

This change hides the “outdated content” banner at the top of the marked pages.
2022-03-21 23:03:01 +00:00
parent a37f7c7d0c
commit 1a023202ff
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@@ -2,6 +2,7 @@
 layout: blog
 title: Production-Ready Kubernetes Cluster Creation with kubeadm
 date: 2018-12-04
+evergreen: true
 ---

 **Authors**: Lucas Käldström (CNCF Ambassador) and Luc Perkins (CNCF Developer Advocate)