[w3c/manifest] Add splashscreen as a `purpose` (#510)

If we give regarding the icon purpose/type/kind, maybe we should add splashscreen in there to help UA pick an image if it's meant to be used for the splashscreen?

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/w3c/manifest/issues/510

Received on Tuesday, 25 October 2016 11:05:43 UTC