loongson/pypi: links for snakeflake

loongson/mirror snakeflake-0.1.5.2-py3.7.egg
loongson/mirror snakeflake-0.1.5.2-py3-none-any.whl
loongson/mirror snakeflake-0.1.5.1.tar.gz
loongson/mirror snakeflake-0.1.5.1-py3-none-any.whl
loongson/mirror snakeflake-0.1.5.tar.gz
loongson/mirror snakeflake-0.1.5-py3-none-any.whl