The source project of this merge request has been removed.
Updated every oj_urls matcher to allow optional www. prefixes so any supported site URL (luogu, uoj, qoj, cf/cfgym, atcoder, vjudge, codechef, csacademy, zhengruioi, xinyoudui, oifha, mna) now matches whether or not the host includes www (submitter/submitter/popup.js:162-173).