Added badges to README.rst

Author: domdfcoding

README.rst

@@ -2,6 +2,21 @@
 domdf_python_tools
 **********************
 
-Helpful functions for Python
+.. image:: https://travis-ci.com/domdfcoding/domdf_python_tools.svg?branch=master
+    :target: https://travis-ci.com/domdfcoding/domdf_python_tools
+    :alt: Build Status
+.. image:: https://readthedocs.org/projects/domdf_python_tools/badge/?version=latest
+    :target: https://domdf_python_tools.readthedocs.io/en/latest/?badge=latest
+    :alt: Documentation Status
+.. image:: https://img.shields.io/pypi/v/domdf_python_tools.svg
+    :target: https://pypi.org/project/domdf_python_tools/
+    :alt: PyPI
+.. image:: https://img.shields.io/pypi/pyversions/domdf_python_tools.svg
+    :target: https://pypi.org/project/domdf_python_tools/
+    :alt: PyPI - Python Version
+.. image:: https://coveralls.io/repos/github/domdfcoding/domdf_python_tools/badge.svg?branch=master
+    :target: https://coveralls.io/github/domdfcoding/domdf_python_tools?branch=master
+    :alt: Coverage
 
 
+Helpful functions for Python