Welcome, Blueman

This will come handy as I have my first Bluetooth device now.

dotfiles/i3/config

@@ -458,5 +458,6 @@ exec "dunst"
 exec "dropbox start"
 exec "urxvt -e weechat"
 exec "nm-applet"
+exec "blueman-applet"
 exec "shutter --min_at_startup"
 exec "/opt/keybase/Keybase"