Note about IRC channel

README.md

@@ -30,6 +30,9 @@ Take a look at the [getting started guide](http://discourse.syncthing.net/t/46).
 There are a few examples for keeping syncthing running in the background
 on your system in [the etc directory](https://github.com/syncthing/syncthing/blob/master/etc).
 
+There is an IRC channel, `#syncthing` on Freenode, for talking directly
+to developers and users (when awake and present, etc.).
+
 Building
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