loongson/pypi: links for ppg-pre

loongson/mirror ppg_pre-0.1.3-py3-none-any.whl
loongson/mirror ppg_pre-0.1.2-py3-none-any.whl
loongson/mirror ppg_pre-0.1.1-py3-none-any.whl
loongson/mirror ppg_pre-0.1-py3-none-any.whl