made navbar work

also added an About page and a stub Config page.

Assistant/WebApp/Documentation.hs

@@ -0,0 +1,22 @@
+{- git-annex assistant webapp documentation
+ -
+ - Copyright 2012 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+{-# LANGUAGE TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings, RankNTypes #-}
+
+module Assistant.WebApp.Documentation where
+
+import Assistant.WebApp
+import Assistant.WebApp.SideBar
+import Utility.Yesod
+
+import Yesod
+
+getAboutR :: Handler RepHtml
+getAboutR = bootstrap (Just About) $ do
+	sideBarDisplay
+	setTitle "About git-annex"
+	$(widgetFile "documentation/about")