Add Main function (following elm-node example)

test-func.elm

@@ -1,13 +1,26 @@
-port module Test exposing (..)
+port module Test exposing (main)
 
 -- Elm module to get a sense of how to call Elm from JS
 -- Very roughly based on https://gist.github.com/evancz/e69723b23958e69b63d5b5502b0edf90
-
-import Json.Decode
-import String
-
-init : ( Model, Cmd Msg )
-init = ( Model "", Cmd.none )
+-- and https://github.com/ElmCast/elm-node/blob/master/example/Example.elm
+
+import Platform
+import Platform.Cmd as Cmd
+import Platform.Sub as Sub
+import Task
+import Console
+import NodeProcess
+
+main : Program Never Model Msg
+main =
+    Platform.program
+        { init =
+          ( Model "", 
+            Cmd.none
+          )
+        , update = update
+        , subscriptions = subscriptions
+        }
 
 -- MODEL