loongson/pypi: links for chemscad

loongson/mirror chemscad-2.0.6.tar.gz
loongson/mirror chemscad-2.0.6-py3-none-any.whl
loongson/mirror chemscad-2.0.3.tar.gz
loongson/mirror chemscad-2.0.3-py3-none-any.whl
loongson/mirror chemscad-2.0.2.tar.gz
loongson/mirror chemscad-2.0.2-py3-none-any.whl
loongson/mirror chemscad-2.0.2b2.tar.gz
loongson/mirror chemscad-2.0.2b2-py3-none-any.whl
loongson/mirror chemscad-2.0.1.post5.tar.gz
loongson/mirror chemscad-2.0.1.post5-py3-none-any.whl
loongson/mirror chemscad-2.0.1.post4.tar.gz
loongson/mirror chemscad-2.0.1.post4-py3-none-any.whl
loongson/mirror chemscad-2.0.1.post3.tar.gz
loongson/mirror chemscad-2.0.1.post3-py3-none-any.whl
loongson/mirror chemscad-2.0.1-py3-none-any.whl