Closes https://git.nadeko.net/Fijxu/invidious/issues/109 This will allow browsers that by default set the referer to the same page to tracking via the referer header. IceCat browser does this.
This will make invidious easier to maintain and escalate without the need of an overcomplicated reverse proxy configuration and multiple invidious instances with each one with a different configuration (in this case, invidious companion)
