Adds buttons to copy stackoverflow's codeblock content.
بۇلار بۇ قوليازمىنىڭ كود يېڭىلانغان نەشرىلىرى. بارلىق نەشرىنى كۆرسىتىش
Clicking on a code block to copy has been removed, you need to click on a button instead. This was quite annoying as you couldn't easily copy only a part of the code.
