loongson/pypi: links for palpg

loongson/mirror palpg-2.3.tar.gz
loongson/mirror palpg-2.2.tar.gz
loongson/mirror palpg-2.1.tar.gz
loongson/mirror palpg-2.0.tar.gz
loongson/mirror palpg-1.95.tar.gz
loongson/mirror palpg-1.9.tar.gz
loongson/mirror palpg-1.8.tar.gz