loongson/pypi: links for pycontractsdk-v2

loongson/mirror pycontractsdk.v2-0.1.4.tar.gz
loongson/mirror pycontractsdk.v2-0.1.3.tar.gz
loongson/mirror pycontractsdk.v2-0.1.2.tar.gz
loongson/mirror pycontractsdk.v2-0.1.1.tar.gz
loongson/mirror pycontractsdk.v2-0.1.0.tar.gz