loongson/pypi: links for dirindex

loongson/mirror dirindex-0.4-py3-none-any.whl
loongson/mirror dirindex-0.3-py3-none-any.whl
loongson/mirror dirindex-0.2-py3-none-any.whl
loongson/mirror dirindex-0.1-py3-none-any.whl