EDU-1955: Adds header image and licence shield

Author: franrob-projects

README.md

@@ -1,3 +1,8 @@
+![Ably Pub/Sub Python Header](images/pythonSDK-github.png)
+[![PyPI version](https://badge.fury.io/py/ably.svg)](https://pypi.org/project/ably/)
+[![License](https://img.shields.io/github/license/ably/ably-python)](https://github.com/ably/ably-python/blob/main/LICENSE)
+
+
 # Ably Pub/Sub Python SDK
 
 Build any realtime experience using Ably’s Pub/Sub Python SDK.
@@ -6,8 +11,8 @@ Ably Pub/Sub provides flexible APIs that deliver features such as pub-sub messag
 
 Find out more:
 
-* [Ably Pub/Sub docs](https://ably.com/docs/basics)
-* [Ably Pub/Sub examples](https://ably.com/examples?product=pubsub)
+* [Ably Pub/Sub docs.](https://ably.com/docs/basics)
+* [Ably Pub/Sub examples.](https://ably.com/examples?product=pubsub)
 
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@@ -16,7 +21,7 @@ Find out more:
 
 Everything you need to get started with Ably:
 
-* [Quickstart in Pub/Sub using Python](https://ably.com/docs/getting-started/quickstart?lang=python)
+* [Quickstart in Pub/Sub using Python.](https://ably.com/docs/getting-started/quickstart?lang=python)
 
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