add to do list

README.md

@@ -72,5 +72,8 @@ Use those css classes in your CSS:
 
 ## TODO 
 
-make it work without server
-Factorise UI system
+- make it work without server: remove link to css file: fetch the content of the css files and create one simple style element.
+
+- Create a modular way to add UI element using json.
+
+