loongson/pypi: links for ccxt-unmerged

loongson/mirror ccxt_unmerged-4.0.tar.gz
loongson/mirror ccxt_unmerged-4.0-py3-none-any.whl
loongson/mirror ccxt-unmerged-2.2.tar.gz
loongson/mirror ccxt-unmerged-2.1.tar.gz
loongson/mirror ccxt-unmerged-2.0.tar.gz
loongson/mirror ccxt-unmerged-1.1.tar.gz
loongson/mirror ccxt-unmerged-1.0.tar.gz