loongson/pypi: links for jpeg2dct

loongson/mirror jpeg2dct-0.2.4.tar.gz
loongson/mirror jpeg2dct-0.2.3.tar.gz
loongson/mirror jpeg2dct-0.2.2.tar.gz
loongson/mirror jpeg2dct-0.2.1.tar.gz
loongson/mirror jpeg2dct-0.2.0.tar.gz
loongson/mirror jpeg2dct-0.1.1.tar.gz
loongson/mirror jpeg2dct-0.1.0.tar.gz