listupgrade: add empty galaxy tags

listupgrade/meta/main.yml

@@ -13,6 +13,15 @@ galaxy_info:
     versions:
     - jessie
 
+  galaxy_tags: []
+    # List tags for your role here, one per line. A tag is
+    # a keyword that describes and categorizes the role.
+    # Users find roles by searching for tags. Be sure to
+    # remove the '[]' above if you add tags to this list.
+    #
+    # NOTE: A tag is limited to a single word comprised of
+    # alphanumeric characters. Maximum 20 tags per role.
+
 dependencies: []
   # List your role dependencies here, one per line.
   # Be sure to remove the '[]' above if you add dependencies