loongson/pypi: links for py-dimg4md

loongson/mirror py_dimg4md-0.2.1.tar.gz
loongson/mirror py_dimg4md-0.2.1-py3-none-any.whl
loongson/mirror py-dimg4md-0.1.2.tar.gz
loongson/mirror py-dimg4md-0.1.1.tar.gz