New: URL Filtering / Malware Sites Blocking

[woven cobalt]

openclaw-url-guard: Had my Clanker create this PoC to be able to filter websites and avoid malware sites. No guarantees that it does anything useful though 😬
https://npmjs.com/package/@llnvd/openclaw-url-guard
https://codeberg.org/llnvd/openclaw-url-guard