Merge pull request #1828 from godwhoa/main

readme: Add note about server-side apply in the quickstart

README.md

@@ -59,6 +59,8 @@ Though for a quickstart a compiled version of the Kubernetes [manifests](manifes
 
 ```shell
 # Create the namespace and CRDs, and then wait for them to be available before creating the remaining resources
+# Note that due to some CRD size we are using kubectl server-side apply feature which is generally available since kubernetes 1.22. 
+# If you are using previous kubernetes versions this feature may not be available and you would need to use kubectl create instead.
 kubectl apply --server-side -f manifests/setup
 until kubectl get servicemonitors --all-namespaces ; do date; sleep 1; echo ""; done
 kubectl apply -f manifests/