Start hexchat minimized to tray icon

dotfiles/i3/config

@@ -268,6 +268,6 @@ exec "psi"
 exec "orage"
 exec "orage -t"
 exec "dropbox start"
-exec "hexchat"
+exec "hexchat --minimize=2"
 exec "nm-applet"
 exec "shutter --min_at_startup"