Initial implementation of the contribution file

Added IDE/TOOLS section to .gitignore

.gitignore

@@ -7,4 +7,8 @@ __pycache__/
 .tox/
 *.swp
 *.pyc
+.coverage.*
 TODO
+
+IDE and Tooling files
+.idea/*

CONTRIBUTING.rst

@@ -0,0 +1,33 @@
+Contributing to Channels
+========================
+
+As an open source project, Channels welcomes contributions of many forms.By participating in this project, you
+agree to abide by the Django `code of conduct <https://www.djangoproject.com/conduct/>`_.
+
+Examples of contributions include:
+
+* Code patches
+* Documentation improvements
+* Bug reports and patch reviews
+
+Setup
+-----
+
+Fork, then clone the repo:
+
+    git clone git@github.com:your-username/channels.git
+
+Make sure the tests pass:
+
+    tox
+
+Make your change. Add tests for your change. Make the tests pass:
+
+    tox
+
+Push to your fork and `submit a pull request <https://github.com/andrewgodwin/channels/compare/>`_.
+
+
+At this point you're waiting on us. We like to at least comment on pull requests
+within three business days (and, typically, one business day). We may suggest
+some changes or improvements or alternatives.