[AIR-72] Add role to sync repository

This role is only needed during local development, if developer is
using remote machine to deploy environment on. Role will copy local
repository to remote ansible host, his repository will be then used
to build airshipctl binary and to create bundle with airship docs

Change-Id: I742d89656830d02a8e998bbef6041a5b0231d132

roles/sync-manifests/defaults/main.yml

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+remote_work_dir: "/tmp/airship-manifests"

roles/sync-manifests/tasks/main.yml

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+# 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.
+
+# The role is used to copy manifest directory to remote host
+# Durning tests in zuul, zuul copies git repository to target node, however
+# When running outside zuul/opendev ci env, we want to copy manifests from
+# commit to remote machine as well. `local_src_dir` should be set from command
+# line in anisble-playbook -e option,
+# eg: ansible-playbook -e local_src_dir="/home/ubuntu/airshipctl"
+
+
+- name: sync repository
+  synchronize:
+    delete: true
+    dest: "{{ remote_work_dir }}"
+    recursive: true
+# trailing slash "/" is needed to copy contents of the directory not directory itself.
+    src: "{{ local_src_dir }}/"
+  no_log: true