defang-sentinel v1.0.0

First release, by Louis Wright.

• defang with four styles (brackets, full, dot, minimal) for URLs, domains, IPv4/IPv6 and emails; idempotent; --write for in-place edits.
• refang for all common defang notations.
• check for live URLs, domains, IPs and emails, clickable Markdown/HTML links and half-defanged indicators, with a reference-site allowlist, custom ignore domains, code-fence skipping and directory walking.
• Allowlist with expiry, per-rule severity, text/JSON/SARIF/Markdown output, --fail-on and exit codes 0/1/2; composite GitHub Action.