loongson/pypi: links for youtube-mp3-downloader

loongson/mirror youtube-mp3-downloader-1.4.tar.gz
loongson/mirror youtube_mp3_downloader-1.4-py3-none-any.whl
loongson/mirror youtube-mp3-downloader-1.2.tar.gz
loongson/mirror youtube-mp3-downloader-1.1.tar.gz
loongson/mirror youtube_mp3_downloader-1.1-py2-none-any.whl