Updated README with PyPi version information

Author: joergschultzelutter

README.md

@@ -1,5 +1,5 @@
 # robotframework-apprise
-[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) [![CodeQL](https://github.com/joergschultzelutter/robotframework-apprise/actions/workflows/codeql.yml/badge.svg)](https://github.com/joergschultzelutter/robotframework-apprise/actions/workflows/codeql.yml)
+[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) [![CodeQL](https://github.com/joergschultzelutter/robotframework-apprise/actions/workflows/codeql.yml/badge.svg)](https://github.com/joergschultzelutter/robotframework-apprise/actions/workflows/codeql.yml) [![PyPi version](https://img.shields.io/pypi/v/robotframework-apprise.svg)](https://pypi.python.org/pypi/robotframework-apprise)
 
 ```robotframework-apprise``` is a [Robot Framework](https://www.robotframework.org) keyword collection for the [Apprise](https://github.com/caronc/apprise) push message library. It enables Robot Framework users to send push/email messages to every message service supported by Apprise.