Merge branch 'readme_updates' into 'master'

GONRG-756: README.md updates

See merge request !2

README.md

 # OSDU Python SDK
 
+
+## Contents
+
+* [Introduction](#introduction)
+* [Getting Started](#getting-started)
+* [Testing](#testing)
+* * [Running E2E Tests](#running-e2e-tests)
+* [Licence](#licence)
+
+
+# Introduction
 OSDU DAGs are cloud platform-agnostic by design. However, there are specific implementation requirements by cloud
 platforms, and the OSDU R2 Prototype provides a dedicated Python SDK to make sure that DAGs are independent from the
 cloud platforms.
@@ -15,6 +26,9 @@ calling the OSDU services.
 
 The Python SDK is a package to interface with OSDU microservices.
 
+
+# Getting Started
+
 To install this package:
 
 1. Install `setuptools` and `wheel`:
@@ -46,3 +60,29 @@ python -m pip install <YOUR_PATH_TO_PYTHON_SDK>/dist/osdu_api-0.0.1-py3-none-any
 ```python
 from osdu_api.storage.record_client import RecordClient
 ```
+
+
+## Testing
+### Running E2E Tests
+Specify of end-services URLs into `tests/osdu_api.yaml` and run
+
+```sh
+pytest test
+```
+
+
+## Licence
+Copyright © Google LLC
+Copyright © EPAM Systems
+
+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](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.
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