update Contributing section

.readthedocs.yml

@@ -0,0 +1,4 @@
+version: 2
+
+sphinx:
+  configuration: docs/conf.py

README.rst

@@ -191,6 +191,8 @@ Contributing
 
 Development of django-markdown happens at github: https://github.com/sv0/django-markdown-app
 
+All changes should include tests, pass flake8_ and pass build on the TravisCI_
+
 
 Contributors
 ============
@@ -218,9 +220,11 @@ Markitup_:
 
 .. _GNU lesser general public license: https://www.gnu.org/copyleft/lesser.html
 .. _readthedocs: https://django-markdown-app.readthedocs.io
-.. _Markitup: https://markitup.jaysalvat.com/
+.. _Markitup: https://markitup.jaysalvat.com
 .. _github: https://github.com/sv0/django-markdown-app
 .. _klen: https://github.com/klen
 .. _yavorskiy: https://github.com/yavorskiy
 .. _markdown: https://python-markdown.github.io
 .. _changes: https://django-markdown-app.readthedocs.io/en/latest/changes.html
+.. _TravisCI: https://travis-ci.org/sv0/django-markdown-app
+.. _flake8: https://pypi.org/project/flake8

docs/changes.rst

@@ -1,4 +1,5 @@
 .. _changes:
+
 CHANGES
 -------
 

docs/conf.py

@@ -124,7 +124,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+# html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.