Bogus Official Site

[sr093906]

In the README.md's reference section, https://ublock.org/ is not the official site of ublock origin.

Evidence:

1. https://github.com/gorhill/uBlock
   

2. open https://ublock.org, click on 'Add uBlock'. It leads you to https://addons.mozilla.org/en-US/firefox/addon/ublock/, which is a 404 page. The extension is removed from Mozilla's add-on market.