added contributing guidelines

pedramamini · pedramamini · commit e1a87ad06496 · 2019-11-02T12:51:17.000-05:00
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -0,0 +1,5 @@
+How to Contribute
+=================
+
+Read the [LICENSE](LICENSE). By submitting a pull request, you agree to
+release your changes under this license.
