loongson/pypi: links for musicmarkdown

loongson/mirror musicmarkdown-0.3.4.tar.gz
loongson/mirror musicmarkdown-0.3.4-py3-none-any.whl
loongson/mirror musicmarkdown-0.3.3.tar.gz
loongson/mirror musicmarkdown-0.3.3-py3-none-any.whl
loongson/mirror musicmarkdown-0.3.1.tar.gz
loongson/mirror musicmarkdown-0.3.1-py3-none-any.whl
loongson/mirror musicmarkdown-0.3.tar.gz
loongson/mirror musicmarkdown-0.3-py3-none-any.whl