Add "DevOpsdays gives back" page. Fixes #42
Add "DevOpsdays gives back" page. Fixes #42

Per @bridgetkromhout, this should eventually find its way into the organizing guide, but we need to preserve old links too.

benjohnson77/devopsdays-web,benjohnson77/devopsdays-web,benjohnson77/devopsdays-web,benjohnson77/devopsdays-web