add MAINTAINERS file to k8s models

Change-Id: I76c3fbaad72ce3678a6a50d9db4b2f2152a64e77
diff --git a/classes/cluster/virtual-mcp11-k8s-calico/MAINTAINERS b/classes/cluster/virtual-mcp11-k8s-calico/MAINTAINERS
new file mode 100644
index 0000000..3c56b7b
--- /dev/null
+++ b/classes/cluster/virtual-mcp11-k8s-calico/MAINTAINERS
@@ -0,0 +1 @@
+Tomáš Kukrál <tkukral@mirantis.com