Grig Comment Link Manager (v0.1.1)
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Added:
1) Whitelist by regex patterns and by TLD/suffix
2) Optional scope: apply rules only to first-time commenters / commenters without any approved comment

Settings:
WP Admin -> Settings -> Comment Link Manager

Whitelist notes:
- Domains: example.com, partner.site
- TLDs/suffixes: ro, com, net, co.uk
- Regex: one pattern per line. Can be full PCRE (/.../i) or plain pattern (wrapped automatically with ~ ~i)
