dded action generation

Author: esteve

rosidl_generator_rs/resource/action.rs.em

@@ -26,6 +26,17 @@ TEMPLATE(
 }@
 }  // mod rmw
 
+@{
+TEMPLATE(
+    'msg_idiomatic.rs.em',
+    package_name=package_name, interface_path=interface_path,
+    msg_specs=action_msg_specs,
+    get_rs_name=get_rs_name, get_rmw_rs_type=get_rmw_rs_type,
+    get_idiomatic_rs_type=get_idiomatic_rs_type,
+    constant_value_to_rs=constant_value_to_rs)
+}@
+}  // mod rmw
+
 @{
 TEMPLATE(
     'msg_idiomatic.rs.em',