add suggested example to values-local.yaml.example

Credits go to @vhs

values-local.yaml.example

@@ -240,3 +240,13 @@ redis:
 # Labels that will be added to the wordpress StatefulSet itself.
 # statefulSetLabels:
 #   someCustom: labelValue
+
+# This will restrict WordPress deployment to the specified node. This is useful
+# when you are working with limited resources and do not want to run WordPress
+# on a resourced-constrained node.
+#
+# See https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/
+# for more information on assigning pods to nodes.
+# nodeSelector:
+#   kubernetes.io/hostname: k3s-server-1
+