Add support for Atom and RSS content feeds - this info is available through mf2 anyway so Atom and RSS are kinda redundant, but we'll include them anyway

src/Application.hs

@@ -50,6 +50,7 @@ import System.Log.FastLogger                (defaultBufSize, newStdoutLoggerSet,
 -- Don't forget to add new modules to your cabal file!
 import Handler.Common
 import Handler.Entries
+import Handler.Feed
 import Handler.Home
 
 -- This line actually creates our YesodDispatch instance. It is the second half