loongson/pypi: links for etta

loongson/mirror etta-0.1.1.tar.gz
loongson/mirror etta-0.1.1-py3-none-any.whl
loongson/mirror etta-0.0.0.tar.gz
loongson/mirror etta-0.0.0-py3.6.egg
loongson/mirror etta-0.0.0-py3-none-any.whl