loongson/pypi: links for obs-switch

loongson/mirror obs_switch-0.0.41-py3-none-any.whl
loongson/mirror obs_switch-0.0.4-py3-none-any.whl
loongson/mirror obs_switch-0.0.3-py3-none-any.whl
loongson/mirror obs_switch-0.0.2-py3-none-any.whl