Updated README.md to add TODO

README.md

@@ -42,3 +42,14 @@ Don't try to go into http://localhost:8000/admin, you won't have the rights and
 
 ## Features
 
+## TODO
+
+- Update course
+
+- Publish a message
+
+- Register to a course
+
+- Unregister to a course
+
+- Subscribe to course channel