[ie/getcourseru] Add extractors (#8873)

Authored by: divStar, seproDev

Co-authored-by: sepro <4618135+seproDev@users.noreply.github.com>

yt_dlp/extractor/_extractors.py

@@ -687,6 +687,10 @@ from .genius import (
     GeniusIE,
     GeniusLyricsIE,
 )
+from .getcourseru import (
+    GetCourseRuPlayerIE,
+    GetCourseRuIE
+)
 from .gettr import (
     GettrIE,
     GettrStreamingIE,