Documents building - initial

Change-Id: I3b1287b106e0a2d6f8d8201190d0130ca94444a3
Signed-off-by: Juha Hyttinen <juha.hyttinen@nokia.com>
diff --git a/docs/index.rst b/docs/index.rst
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+..
+..  Copyright (c) 2019 AT&T Intellectual Property.
+..  Copyright (c) 2019 Nokia.
+..
+..  Licensed under the Creative Commons Attribution 4.0 International
+..  Public License (the "License"); you may not use this file except
+..  in compliance with the License. You may obtain a copy of the License at
+..
+..    https://creativecommons.org/licenses/by/4.0/
+..
+..  Unless required by applicable law or agreed to in writing, documentation
+..  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.
+..
+
+Welcome to O-RAN Subscription Manager Documentation
+===================================================
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+   release-notes.rst
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`