Add a "dig" action

Signed-off-by: Adam Israel <adam.israel@canonical.com>
diff --git a/layers/netutils/actions.yaml b/layers/netutils/actions.yaml
index 9995f77..5c99e21 100644
--- a/layers/netutils/actions.yaml
+++ b/layers/netutils/actions.yaml
@@ -30,3 +30,18 @@
       type: string
   required:
     - destination
+dig:
+  description: "DNS lookup"
+  params:
+    nsserver:
+      description: "The nameserver to lookup against."
+      type: string
+    host:
+      description: "The host to lookup"
+      type: string
+    type:
+      description: "The DNS record type to lookup"
+      type: string
+  required:
+    - host
+