Adds a dark theme for Hacker news (news.ycombinator.com).
https://startx.site
https://etcet.net
https://histre.com
hnpopup
richardwehli
Engagespot
Alvaro Bernal G
https://hackernewspro.com
bachmitre
https://modernhn.com
https://mihir.ch
https://carina.app/hnux