loongson/pypi: links for pooltool

loongson/mirror PoolTool-2.1.2.tar.gz
loongson/mirror PoolTool-2.1.2-py3-none-any.whl
loongson/mirror PoolTool-2.1.1.tar.gz
loongson/mirror PoolTool-2.1.1-py3-none-any.whl
loongson/mirror PoolTool-2.1.0.tar.gz
loongson/mirror PoolTool-2.1.0-py3-none-any.whl