added empty GTK-Hello-World-Project

src/Main.hs

@@ -0,0 +1,15 @@
+
+import Graphics.UI.Gtk
+
+main :: IO ()
+main = do
+  initGUI
+  window <- windowNew
+  button <- buttonNew
+  set window [ containerBorderWidth := 10,
+               containerChild := button ]
+  set button [ buttonLabel := "Hello World" ]
+  onClicked button (putStrLn "Hello World")
+  onDestroy window mainQuit
+  widgetShowAll window
+  mainGUI