loongson/pypi: links for conhead

loongson/mirror conhead-1.0.0.tar.gz
loongson/mirror conhead-0.5.0.tar.gz
loongson/mirror conhead-0.4.0.tar.gz
loongson/mirror conhead-0.3.0.tar.gz
loongson/mirror conhead-0.2.0.tar.gz
loongson/mirror conhead-0.1.1.tar.gz