YACHT-1007: added contribution guide

CONTRIBUTING.md

@@ -0,0 +1,16 @@
+# Contributing to BBQ
+
+We welcome your patches and contributions to this project. This page describes
+the few small guidelines we'll need you to follow.
+
+## Following style guidelines and conventions
+
+Our code is automatically checked and tested with [Travis CI](https://travis-ci.org/):
+1. Code is automatically unit tested in Travis CI, see [build page](https://travis-ci.org/ocadotechnology/bbq),
+1. Code coverage is analyzed using [Coveralls](https://coveralls.io/github/ocadotechnology/bbq?branch=master). 
+
+## Submitting a pull request
+
+* All [pull requests](https://help.github.com/articles/about-pull-requests/) require a code review,
+* Any merge conflicts needs to be resolved,
+* All tests needs to pass before we will review your PR

README.md

@@ -13,8 +13,8 @@ BBQ (read: barbecue) is a python app that runs on Google App Engine (GAE) and cr
   * [Backup process](#backup-process)
   * [Restore process](#restore-process)
   * [Retention process](#retention-process)
-
 * [Usage](#usage)
+* [Contributing](#contributing)
 
 # Setup
 To install BBQ in GCP, follow installation steps from [Setup.md](./SETUP.md) doc.
@@ -199,4 +199,14 @@ There are several options to restore data, available from _\<your-project-id>_._
  * **restorationStatusEndpoint** - it shows all information about progress and each copy job.
 
  We advise to use *restorationWarningsOnlyStatusEndpoint* for bigger datasets as the response time is quicker and response size smaller.
+
+# Community
+
+Subscribe or post to [backup-big-query@googlegroups.com](https://groups.google.com/forum/#!forum/backup-big-query) to follow along and ask questions about the BBQ.
+
+# Contributing
+
+Feel free to submit feature requests and bug reports under Issues.
+
+If you would like to contribute to our development efforts, please review our [contributing guidelines](/CONTRIBUTING.md) and submit a pull request.