[xanimu] Add extractor (#5969)

Authored by: JChris246
Closes #5810

yt_dlp/extractor/_extractors.py

@@ -2271,6 +2271,7 @@ from .wsj import (
     WSJArticleIE,
 )
 from .wwe import WWEIE
+from .xanimu import XanimuIE
 from .xbef import XBefIE
 from .xboxclips import XboxClipsIE
 from .xfileshare import XFileShareIE