loongson/pypi: links for jupyter-pluto-proxy

loongson/mirror jupyter-pluto-proxy-0.1.2.tar.gz
loongson/mirror jupyter_pluto_proxy-0.1.2-py3-none-any.whl
loongson/mirror jupyter-pluto-proxy-0.1.1.tar.gz
loongson/mirror jupyter_pluto_proxy-0.1.1-py3-none-any.whl
loongson/mirror jupyter-pluto-proxy-0.1.0.tar.gz
loongson/mirror jupyter_pluto_proxy-0.1.0-py3-none-any.whl