_perform_login
* Adds new functions `_initialize_pre_login` and `_perform_login` as part of the extractor API * Adds `ie.supports_login` to the public API
_match_valid_url
report_warning
* All modules and binary names are changed * All documentation references changed * yt-dlp no longer loads youtube-dlc config files * All URLs changed to point to organization account Co-authored-by: Pccode66 Co-authored-by: pukkandan