loongson/pypi: links for blender-chemicals

loongson/mirror blender-chemicals-0.3.0.tar.gz
loongson/mirror blender_chemicals-0.3.0-py3-none-any.whl
loongson/mirror blender-chemicals-0.2.1.tar.gz
loongson/mirror blender_chemicals-0.2.1-py3-none-any.whl
loongson/mirror blender-chemicals-0.2.0.tar.gz
loongson/mirror blender_chemicals-0.2.0-py3.6.egg
loongson/mirror blender_chemicals-0.2.0-py3-none-any.whl