loongson/pypi: links for calc2

loongson/mirror calc2-0.3.0.6.tar.gz
loongson/mirror calc2-0.3.0.5.tar.gz
loongson/mirror calc2-0.3.0.4.tar.gz
loongson/mirror calc2-0.3.0.3.tar.gz
loongson/mirror calc2-0.3.0.2.tar.gz
loongson/mirror calc2-0.3.0.1.tar.gz
loongson/mirror calc2-0.3.0.0.tar.gz
loongson/mirror calc2-0.0.0.1.tar.gz