Add second example

DzyubSpirit · DzyubSpirit · commit 700e8212c702 · 2016-12-13T09:10:59.000+02:00
diff --git a/Haskell/maybe2.hs b/Haskell/maybe2.hs
@@ -0,0 +1,3 @@
+main = do
+  print $ (* 2) . (+ 5) . (^ 2) <$> Just 5
+  print $ (* 2) . (+ 5) . (^ 2) <$> Nothing
