loongson/pypi: links for bigjpg

loongson/mirror bigjpg-1.2.0.tar.gz
loongson/mirror bigjpg-1.1.0.tar.gz
loongson/mirror bigjpg-1.0.4.tar.gz
loongson/mirror bigjpg-1.0.3.tar.gz
loongson/mirror bigjpg-1.0.1.tar.gz
loongson/mirror bigjpg-1.0.0.tar.gz