Revert "Revert "[XMonad] Taffybar support in xmonad.hs""

This reverts commit 1222f354639ba55b5073f970e973e97597a8faed.

dotfiles/xmonad/xmonad.hs

@@ -1,3 +1,5 @@
+import System.Taffybar.Hooks.PagerHints (pagerHints)
+
 import XMonad hiding ( (|||) )
 import XMonad.Actions.WindowBringer
 import XMonad.Config ()
@@ -12,7 +14,7 @@ import XMonad.Layout.ThreeColumns
 import qualified XMonad.StackSet as W
 import XMonad.Util.CustomKeys
 
-main = xmonad $ ewmh def
+main = xmonad $ ewmh $ pagerHints def
        { modMask = mod4Mask
        , terminal = "urxvt"
        , manageHook = manageDocks <+> manageHook def