add todo

README.md

@@ -37,6 +37,8 @@ including client classes for common interfaces to core functionalities
 
 # Terms and Concepts
 
+TODO @birr
+
 The main structure by this package can be illustrated like this: 
 
 {...}
@@ -45,6 +47,7 @@ The main structure by this package can be illustrated like this:
 
 # Structure of this Package
 
+TODO @birr
 On the code level, this package contains the following libraries and components:
 
 ## Libraries