loongson/pypi: links for jasper-sys

loongson/mirror jasper-sys-0.2.4.tar.gz
loongson/mirror jasper-sys-0.2.3.tar.gz
loongson/mirror jasper-sys-0.2.2.tar.gz
loongson/mirror jasper-sys-0.2.1.tar.gz
loongson/mirror jasper-sys-0.2.0.tar.gz