Create CONTRIBUTING.md

Author: ShadyBoukhary

CONTRIBUTING.md

@@ -0,0 +1,15 @@
+# Contributing
+
+When contributing to this repository, please first discuss the change you wish to make via issue,
+email, or any other method with the owners of this repository before making a change. 
+
+Please note we have a code of conduct, please follow it in all your interactions with the project.
+
+## Pull Request Process
+
+1. Update the README.md with details of changes to the API.
+2. Code should pass all tests.
+3. Increase the version numbers in any examples files and the README.md to the new version that this
+   Pull Request would represent. The versioning scheme we use is [SemVer](http://semver.org/).
+4. You may merge the Pull Request in once you have the sign-off of one other developer, or if you 
+   do not have permission to do that, you may request the reviewer to merge it for you.