Add under construction link to parameters passthrough

Author: JCombee

README.md

@@ -56,6 +56,8 @@ Now you will see that the first window will be opened based on the settings you
 
 ### Pass through parameters
 
+[(under construction)][#roadmap]
+
 Sometimes you might want to add some dynamic configuration to your window, for instance the url.
 To do this we can add parameters to our preset.