#1113 Link uml-reverse-mapper created class diagrams to readme, where needed

tls/README.md

@@ -13,6 +13,7 @@ tags:
 ## Intent
 Securing variables global to a thread against being spoiled by other threads. That is needed if you use class variables or static variables in your Callable object or Runnable object that are not read-only.
 
+## Class diagram
 ![alt text](./etc/tls.png "Thread Local Storage")
 
 ## Applicability