Extend roadmap: input file=type (#495)

* Extend roadmap: input file=type

* Update roadmap.md

Co-authored-by: Mathias Bynens <[email protected]>

* Update roadmap.md

* Update roadmap.md

---------

Co-authored-by: Mathias Bynens <[email protected]>

Author: OrKoN

roadmap.md

@@ -42,6 +42,7 @@ This scenario loads a web page, enters text into a form field via the keyboard,
 - [x] Everything from the previous scenario
 - [x] [Emulating keyboard input](https://w3c.github.io/webdriver-bidi/#command-input-performActions)
 - [x] [Emulating mouse input](https://w3c.github.io/webdriver-bidi/#command-input-performActions)
+- [x] [Ability to set files on file inputs](https://w3c.github.io/webdriver-bidi/#command-input-setFiles)
 
 ### Capturing screenshots