chore: Small fixes to clean docs link checker results (#2505)

docs/configuration/live.md

@@ -66,7 +66,7 @@ live:
 > until the page has received a user gesture (e.g. a tap or click). When that
 > happens no sound is produced and no error is shown. The underlying behavior is
 > documented in [MDN's Autoplay
-> guide](https://developer.mozilla.org/en-US/docs/Web/Media/Autoplay_guide).
+> guide](https://developer.mozilla.org/en-US/docs/Web/Media/Guides/Autoplay).
 
 #### `ringtone`
 

lychee.toml

@@ -2,6 +2,10 @@ exclude_path = [
   "node_modules",
   "vscode://"
 ]
+exclude = [
+  # npmjs.com returns 403 to lychee's user-agent.
+  "^https://www\\.npmjs\\.com/"
+]
 timeout = 20
 max_retries = 3
 accept = [200, 204]