[skyit] add support for multiple Sky Italia websites(closes #26629)

youtube_dlc/extractor/extractors.py

@@ -1052,6 +1052,16 @@ from .shared import (
 from .showroomlive import ShowRoomLiveIE
 from .sina import SinaIE
 from .sixplay import SixPlayIE
+from .skyit import (
+    SkyItPlayerIE,
+    SkyItVideoIE,
+    SkyItVideoLiveIE,
+    SkyItIE,
+    SkyItAcademyIE,
+    SkyItArteIE,
+    CieloTVItIE,
+    TV8ItIE,
+)
 from .skylinewebcams import SkylineWebcamsIE
 from .skynewsarabia import (
     SkyNewsArabiaIE,