added roles for NSD and Unbound dns servers
diff --git a/roles/dns-unbound/handlers/main.yml b/roles/dns-unbound/handlers/main.yml
new file mode 100644
index 0000000..6ad5de0
--- /dev/null
+++ b/roles/dns-unbound/handlers/main.yml
@@ -0,0 +1,5 @@
+---
+#file: roles/dns-unbound/handlers/main.yml
+
+- name: restart-unbound
+  service: name=unbound state=restarted