kubectl: add wrappers for colorized output in JSON and YAML (#9316)

Co-authored-by: Marc Cornellà <marc.cornella@live.com>

plugins/kubectl/kubectl.plugin.zsh

@@ -150,3 +150,19 @@ alias kepvc='kubectl edit pvc'
 alias kdpvc='kubectl describe pvc'
 alias kdelpvc='kubectl delete pvc'
 
+# Colored JSON output
+kj() {
+  kubectl "$@" -o json | jq
+}
+compdef kj=kubectl
+
+kjx() {
+  kubectl "$@" -o json | fx
+}
+compdef kjx=kubectl
+
+# Colored YAML output
+ky() {
+  kubectl "$@" -o yaml | yh
+}
+compdef ky=kubectl