loongson/pypi: links for chembl-compatibility

loongson/mirror chembl_compatibility-2.1.3.tar.gz
loongson/mirror chembl_compatibility-2.1.1.tar.gz
loongson/mirror chembl_compatibility-2.1.0.tar.gz
loongson/mirror chembl_compatibility-2.0.0.tar.gz
loongson/mirror chembl_compatibility-0.5.5.tar.gz
loongson/mirror chembl_compatibility-0.5.2.tar.gz