[peekvids] Add extractor (#2414)

Authored by: schn0sch

yt_dlp/extractor/extractors.py

@@ -1141,6 +1141,7 @@ from .patreon import (
 )
 from .pbs import PBSIE
 from .pearvideo import PearVideoIE
+from .peekvids import PeekVidsIE, PlayVidsIE
 from .peertube import (
     PeerTubeIE,
     PeerTubePlaylistIE,