add missing file

primitives/src/config/westend_runtime_config.rs

@@ -0,0 +1,23 @@
+/*
+   Copyright 2019 Supercomputing Systems AG
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+	   http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+*/
+
+use crate::{
+	config::WithAddress, AccountId32, Config, DefaultRuntimeConfig, GenericExtrinsicParams,
+	MultiAddress,
+};
+
+pub type WestendRuntimeConfig = WithAddress<DefaultRuntimeConfig, MultiAddress<AccountId32, ()>>;