traffic light example

[diplfranzhoepfinger]

https://github.com/eclipse-4diac/4diac-documentation/blob/main/src/examples/bbbTrafficControl.adoc

1. GOOD ! we need as many good examples as possible, so VERY GOOD to have this. 

Questitons:

1. where to find that Example ? maybe a Link to github whould be good. 
2. #running-the-example shows a RMT_FRAME ? 
   1. is this really still part of 4diac ?