Update project URL in setup.cfg

Author: auvipy

setup.cfg

@@ -6,7 +6,7 @@ description-file = README.md
 long_description_content_type = text/markdown
 long_description = file: README.md
 
-url = https://github.com/untitaker/click-repl
+url = https://github.com/click-contrib/click-repl
 
 author = Markus Unterwaditzer
 author_email = markus@unterwaditzer.net