Add hiprus to hook list

README.md

diff --git a/README.md b/README.md
index 6843fcc..9cdee85 100644
--- a/README.md
+++ b/README.md
@@ -222,6 +222,9 @@
   Send errors to remote syslog server.
   Uses standard library `log/syslog` behind the scenes.
 
+* [`github.com/nubo/hiprus`](https://github.com/nubo/hiprus)
+  Send errors to a channel in hipchat.
+
 #### Level logging
 
 Logrus has six logging levels: Debug, Info, Warning, Error, Fatal and Panic.