Update self-hosted GitLab instances domain list

Based on:
- #37 (comment)
- https://gitlab.com/vednoc/dark-gitlab/-/commits/master/gitlab.user.css

Author: JustOff

bootstrap.js

@@ -6,6 +6,7 @@ var doms = [
   'dev.gajim.org',
   'forge.tedomum.net',
   'framagit.org',
+  'git.alchemyviewer.org',
   'git.callpipe.com',
   'git.cardiff.ac.uk',
   'git.cit.bcit.ca',
@@ -26,6 +27,7 @@ var doms = [
   'git.oeru.org',
   'git.pleroma.social',
   'git.pwmt.org',
+  'git.rockylinux.org',
   'git.silence.dev',
   'git.synz.io',
   'gitgud.io',