add readme

docs/readme.md

@@ -0,0 +1,8 @@
+## PeerJS Documentation
+
+
+###[API Reference](https://github.com/peers/peerjs/blob/master/docs/api.md)
+
+###[Getting started](http://peerjs.com/start)
+
+###[Browser compatibility and limitations](http://peerjs.com/status)