loongson/pypi: links for pdb-prot-align

loongson/mirror pdb_prot_align-0.5.0.tar.gz
loongson/mirror pdb_prot_align-0.4.0.tar.gz
loongson/mirror pdb_prot_align-0.3.0.tar.gz
loongson/mirror pdb_prot_align-0.2.1.tar.gz
loongson/mirror pdb_prot_align-0.2.0.tar.gz
loongson/mirror pdb_prot_align-0.1.0.tar.gz