loongson/pypi: links for mezzanine-slideshows

loongson/mirror mezzanine-slideshows-0.3.2.tar.gz
loongson/mirror mezzanine-slideshows-0.3.1.tar.gz
loongson/mirror mezzanine-slideshows-0.3.0.tar.gz
loongson/mirror mezzanine-slideshows-0.2.3.tar.gz
loongson/mirror mezzanine-slideshows-0.2.2.tar.gz
loongson/mirror mezzanine-slideshows-0.2.1.tar.gz
loongson/mirror mezzanine-slideshows-0.2.tar.gz