Add a CONTRIBUTING.md

CONTRIBUTING.md

@@ -0,0 +1,32 @@
+# Contributing to Ra
+
+## Overview
+
+Ra is a project under heavy development, so consider discussing your idea with
+the maintainers on the RabbitMQ mailing list, rabbitmq-users.
+
+The process is fairly standard and straightforward:
+
+ * Fork the repository
+ * Create a branch for your changes
+ * Add tests, modify code, refactor, repeat
+ * Push your branch
+ * Submit a pull request with a reasonably detailed justification of your changes
+ * Be patient
+
+
+## Building
+
+Ra uses [erlang.mk](https://erlang.mk/) for build system. Build it with
+
+    make
+
+Clean compilation artifacts with
+
+    make clean
+
+## Running Tests
+
+    make tests
+
+and then open `logs/index.html` to see test run results.