ytb not-interested button

add do-not-interest button to video.

It's boring when you want click the not-interested button in youtube website. You need click the menu button, wait for the popup menu and the click the not-interested button. This extension is for add the not-interested button in the first level. So you can quick click and save time. Please notice: you need logined to ytb to let this extension work. Because this extension do the *I not interested* behavior, so need ytb logined. The source is at https://github.com/huhuang03/ytb_dni. If you think it's useful, please conside buy me a coffe https://www.buymeacoffee.com/huhuang03