Add pbr build configuration

Required for an RPM package builds with the contrib/ansible-kubespray.spec

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

setup.py

@@ -0,0 +1,19 @@
+#   Copyright Red Hat, Inc. All Rights Reserved.
+#
+#   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.
+
+import setuptools
+
+setuptools.setup(
+    setup_requires=['pbr'],
+    pbr=True)