loongson/pypi: links for formatslackmessage

loongson/mirror formatSlackMessage-1.0.4.tar.gz
loongson/mirror formatSlackMessage-1.0.4-py3-none-any.whl
loongson/mirror formatSlackMessage-1.0.3.tar.gz
loongson/mirror formatSlackMessage-1.0.3-py3-none-any.whl