unfinished window stuff

example/window.lua

@@ -0,0 +1,18 @@
+local Layout = require 'luigi.layout'
+
+local window = Layout {
+    type = 'window',
+    icon = 'logo.png',
+    title = 'Test window',
+    width = 300,
+    height = 200,
+    minwidth = 200,
+    minheight = 100,
+    maxwidth = 640,
+    maxheight = 480,
+}
+
+window:show()
+
+require 'luigi.backend'.run()
+