loongson/pypi: links for usleep-api

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