loongson/pypi: links for add-root-to-sys-path

loongson/mirror add_root_to_sys_path-0.3.tar.gz
loongson/mirror add_root_to_sys_path-0.3-py2.py3-none-any.whl
loongson/mirror add_root_to_sys_path-0.2.tar.gz
loongson/mirror add_root_to_sys_path-0.2-py2.py3-none-any.whl
loongson/mirror add_root_to_sys_path-0.1.tar.gz
loongson/mirror add_root_to_sys_path-0.1-py2.py3-none-any.whl