Shuffle things around and create a demo

FeedMonad-demo/app/Main.hs

@@ -0,0 +1,9 @@
+{-# LANGUAGE OverloadedStrings #-}
+module Main where
+
+import FeedMonad
+import Data.Category
+
+main :: IO ()
+main = do
+  defaultMain defaultConfig{feeds = [ Category "News" [] ]}