Add badge for PyPI release

Author: ExcaliburZero

README.md

@@ -1,4 +1,4 @@
-# Blendplot [![Travis CI Status](https://api.travis-ci.org/ExcaliburZero/blender-astro-visualization.svg)](https://travis-ci.org/ExcaliburZero/blender-astro-visualization) [![Coverage Status](https://coveralls.io/repos/github/ExcaliburZero/blender-astro-visualization/badge.svg?branch=master)](https://coveralls.io/github/ExcaliburZero/blender-astro-visualization?branch=master) [![Documentation Status](https://readthedocs.org/projects/blendplot/badge/?version=latest)](http://blendplot.readthedocs.io/en/latest/?badge=latest)
+# Blendplot [![Travis CI Status](https://api.travis-ci.org/ExcaliburZero/blender-astro-visualization.svg)](https://travis-ci.org/ExcaliburZero/blender-astro-visualization) [![Coverage Status](https://coveralls.io/repos/github/ExcaliburZero/blender-astro-visualization/badge.svg?branch=master)](https://coveralls.io/github/ExcaliburZero/blender-astro-visualization?branch=master) [![Documentation Status](https://readthedocs.org/projects/blendplot/badge/?version=latest)](http://blendplot.readthedocs.io/en/latest/?badge=latest) [![PyPI version](https://badge.fury.io/py/blendplot.svg)](https://pypi.org/project/blendplot/)
 Blendplot is a command line application for generating 3D data plots for use in Blender.
 
 ```