added roles for NSD and Unbound dns servers
diff --git a/roles/dns-unbound/tasks/unbound-Debian.yml b/roles/dns-unbound/tasks/unbound-Debian.yml
new file mode 100644
index 0000000..da0254f
--- /dev/null
+++ b/roles/dns-unbound/tasks/unbound-Debian.yml
@@ -0,0 +1,9 @@
+---
+
+- name: Install unbound
+  apt:
+    name={{ item }}
+    state=present
+  with_items:
+    - unbound
+