mysql-clusters not used

_disabled/mysql-clusters/README.md

@@ -0,0 +1,10 @@
+# MariaDB clusters
+
+This is namespace for MariaDB clusters managed by Codemowers' sample
+[mysql-database-operator](https://github.com/codemowers/operatorlib/tree/main/samples/mysql-database-operator)
+which is deployed via [ArgoCD](https://argocd.k-space.ee/applications/argocd/mysql-database-operator)
+
+```
+kubectl create namespace mysql-clusters
+kubectl apply -n mysql-clusters -f application.yaml
+```