Update README.md

Adding the todo list

Author: trongtt

README.md

@@ -1,9 +1,15 @@
 exo-examples
 ============
 
-A collection of example projects which use eXo's technologies/frameworks/libs.
+A collection of example projects which are built on top of eXo's technologies/frameworks/libs.
 
 
 Purposes
 ============
 Newcomers can re-use these examples to study eXo products
+
+
+Todos
+============
+1. GateIn setting application
+2. A simple Gadget editor