For Rails, you should start with the excellent Rails Tutorial
933 karma · joined April 2, 2013
other than that - neat idea
And there's the thing right there - I don't think Microsoft really cares much about startups - after all, the success rate is fairly low for startups and it probably doesn't seem worth it to them to "invest" in businesses that are, more often than not, going to fail. Putting their marketing budget behind large corporations and governments is far more lucrative for them.
https://www.firebase.com/blog/2013-03-29-firebase-bindings-f...
and
https://github.com/firebase/angularFire
which make it relatively simple to wire up your angular model to firebase.