feat(sdk): Implement Registry client

sdk/RELEASE.md

@@ -1,6 +1,7 @@
 # Current Version (Still in Development)
 
 ## Major Features and Improvements
+* feat(sdk): Implement Registry Client [\#7597](https://github.com/kubeflow/pipelines/pull/7597)
 
 ## Breaking Changes
 

sdk/python/kfp/registry/__init__.py

@@ -0,0 +1,16 @@
+# Copyright 2022 The Kubeflow Authors
+#
+# 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.
+
+from kfp.registry.registry_client import ApiAuth
+from kfp.registry.registry_client import RegistryClient