reorganize modules

modules/client/client.lua

@@ -0,0 +1,13 @@
+Client = { }
+
+-- TODO: load and save configurations
+function Client.init()
+  g_window.move({ x=220, y=220 })
+  g_window.resize({ width=800, height=600 })
+  g_window.setTitle('OTClient')
+  g_window.setIcon('clienticon.png')
+  return true
+end
+
+function Client.terminate()
+end