docs: update ROADMAP.md (#46)

Author: MichaelDeBoey

ROADMAP.md

@@ -8,7 +8,7 @@ The html preview tab should be made interactive. In such a way that one can hove
 
 ## Update Readme.md
 
-_Status: In backlog ([#5](https://github.com/smeijer/testing-playground/issues/5))_
+_Status: Shipped at May 25, 2020 ([#23](https://github.com/smeijer/testing-playground/pull/23))_
 
 We don't have any instructions on how to get the thing started at localhost, or how to contribute. This should be made crystal clear.