Release 2.1.0 Features: - Change about:preferences style (MR 10) - Make about: pages more adaptive (MR 10) - Save vertical space by drawing directly in the titlebar (MR 6) - Add dark theme for homepage (MR 5) - preferences.css: various tweaks (MR 8) - Add CSS for about:preferences (MR 8) Fixes: - homepage: link to firefox PC addons page - homepage: update text about changing preferences (MR 8) Other: - treewide: bump copyright to 2021 - Move header to common folder (MR 11) - README: add link to FirefoxCSS subreddit as additional resource (MR 7) - gitlab-ci.yml: new file (MR 9) - README: fix capitalization of Tor (MR 4)