feat(blocklist): add url-domain host patterns (#3164)

fluxer_docs/src/content/docs/http-api/webhooks.mdx

@@ -20,7 +20,7 @@ Fluxer resolves the guild before every management operation. A guild that does n
 
 [List guild webhooks](#list-guild-webhooks), [List channel webhooks](#list-channel-webhooks), and [Create webhook](#create-webhook) name a guild or a channel in their paths, so the availability gate applies. A guild with [UNAVAILABLE_FOR_EVERYONE](/http-api/guilds/#guild-features) refuses an authenticated request with 403 `MISSING_ACCESS` before the operation runs. [UNAVAILABLE_FOR_EVERYONE_BUT_STAFF](/http-api/guilds/#guild-features) does the same for an account without the instance staff flag. The remaining management routes name only a webhook ID and are not gated.
 
-Fluxer scans a submitted webhook `name` against the instance phrase and URL blocklists, and a match returns 403 `CONTENT_BLOCKED`. The same lists scan the resolved content and embed text of a created or edited message, and a match returns the same code. The `avatar` member is exempt from that scan, and Fluxer checks its decoded bytes against the banned asset hash list when it stores them.
+Fluxer scans a submitted webhook `name` against the instance phrase and URL blocklists, and a match returns 403 `CONTENT_BLOCKED`. The same lists scan the resolved content, embed text, and embed link URLs of a created or edited message, and a match returns the same code. The `avatar` member is exempt from that scan, and Fluxer checks its decoded bytes against the banned asset hash list when it stores them.
 
 ## Rate limit keying