[polybar] Add a module for circe

This is an empty IPC widget that can be used by Emacs to place the Circe channel
information in.

polybar/.config/polybar/config

@@ -36,7 +36,7 @@ font-2 = siji:pixelsize=10;1
 
 modules-left = ewmh xwindow
 modules-center =
-modules-right = todo email pulseaudio xkeyboard vpn date
+modules-right = circe todo email pulseaudio xkeyboard vpn date
 
 tray-position = center
 tray-padding = 0
@@ -98,7 +98,7 @@ label-empty-foreground = #a2a2a2
 [module/xwindow]
 type = internal/xwindow
 label = %title%
-format-padding = 3
+format-padding = 1
 format-background = ${colors.primary}
 
 [module/xkeyboard]
@@ -234,3 +234,6 @@ type = custom/script
 exec = inbox-size
 interval = 60
 format-prefix = " "
+
+[module/circe]
+type = custom/ipc