Read README from rst file

Janneke van der Zwaan · Janneke van der Zwaan · commit a972783aee52 · 2018-07-11T16:43:27.000+02:00
Instead of the README.md that does no longer exist.
diff --git a/{{cookiecutter.project_slug}}/setup.py b/{{cookiecutter.project_slug}}/setup.py
@@ -3,7 +3,7 @@
 
 from setuptools import setup
 
-with open('README.md') as readme_file:
+with open('README.rst') as readme_file:
     readme = readme_file.read()
 
 {%- set license_classifiers = {
