loongson/pypi: links for btcmd

loongson/mirror btcmd-1.2.tar.gz
loongson/mirror btcmd-1.1.tar.gz
loongson/mirror btcmd-1.0.tar.gz
loongson/mirror btcmd-0.2.tar.gz
loongson/mirror btcmd-0.1.tar.gz
loongson/mirror btcmd-0.0.tar.gz