[Feature Request] Archive all unread mails

[JaredChangSWE]

Making inbox clean is a excellent habit high-lighted on many article/book about productivity. eg. <<Getting things done>>

Now, ignotifier extension need archive email one by one. Every archive need about 0.5s ~ 1s. It's very time-consuming on clean my inbox.

So I propose a feature to archive all email by one button, like mark all as read button.

thanks.