Adds a MP3 Download button next to the subscribe button, thanks to youtubeinmp3 for their simple download service (http://youtubeinmp3.com/api/). Based off magnus's youtube2mp3 code. Just used something different as it wont open another tab.
بۇلار بۇ قوليازمىنىڭ كود يېڭىلانغان نەشرىلىرى. بارلىق نەشرىنى كۆرسىتىش