update readme

Signed-off-by: Christian Richter <crichter@owncloud.com>

README.md

@@ -6,6 +6,8 @@
 Weirdradio is a matrix bot that will queue youtube videos into a webfrontend for listening.
 This can be used as party juke box (especially in combination with the whatsapp or signal bridge).
 
+**NOTE:** The software is WIP, expect breaking changes, weird behaviour and gargoyle spitting wormholes!
+
 ## License
 
 MIT see [LICENSE](https://github.com/dragonchaser/matrix-feeder/blob/master/LICENSE) file in this repository.