Added a step that renders the readme

Author: evaherrada

.github/workflows/test.yml

@@ -31,3 +31,9 @@ jobs:
     - name: Run cookiecutter tests
       run: |
         pytest -v
+    - name: Test README
+      run: |
+        pip install --user --upgrade setuptools wheel twine readme_renderer testresources
+        python setup.py sdist
+        python setup.py bdist_wheel --universal
+        twine check dist/*