chore: add discourse badge (#28)

README.md

@@ -3,6 +3,7 @@
 [![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://protocol.ai)
 [![](https://img.shields.io/badge/project-libp2p-yellow.svg?style=flat-square)](http://libp2p.io/)
 [![](https://img.shields.io/badge/freenode-%23libp2p-yellow.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23libp2p)
+[![Discourse posts](https://img.shields.io/discourse/https/discuss.libp2p.io/posts.svg)](https://discuss.libp2p.io)
 [![](https://img.shields.io/codecov/c/github/libp2p/js-libp2p-webrtc-direct.svg?style=flat-square)](https://codecov.io/gh/libp2p/js-libp2p-webrtc-direct)
 [![](https://img.shields.io/travis/libp2p/js-libp2p-webrtc-direct.svg?style=flat-square)](https://travis-ci.com/libp2p/js-libp2p-webrtc-direct)
 [![Dependency Status](https://david-dm.org/libp2p/js-libp2p-webrtc-direct.svg?style=flat-square)](https://david-dm.org/libp2p/js-libp2p-webrtc-direct) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)

package.json

@@ -61,8 +61,8 @@
     "once": "^1.4.0",
     "pull-stream": "^3.6.9",
     "request": "^2.88.0",
-    "simple-peer": "9.2.1",
-    "stream-to-pull-stream": "^1.7.2",
+    "simple-peer": "9.3.0",
+    "stream-to-pull-stream": "^1.7.3",
     "wrtc": "~0.2.1",
     "xhr": "^2.5.0"
   },