restructured manifest and plugins loading; updated plugins

plugins/youtube_download/yt_dlp/globals.py

@@ -1,3 +1,4 @@
+import os
 from collections import defaultdict
 
 # Please Note: Due to necessary changes and the complex nature involved in the plugin/globals system,
@@ -28,3 +29,4 @@ plugin_ies_overrides = Indirect(defaultdict(list))
 # Misc
 IN_CLI = Indirect(False)
 LAZY_EXTRACTORS = Indirect(None)  # `False`=force, `None`=disabled, `True`=enabled
+WINDOWS_VT_MODE = Indirect(False if os.name == 'nt' else None)