loongson/pypi: links for libdct

loongson/mirror libdct-0.0.3.tar.gz
loongson/mirror libdct-0.0.3-py3-none-any.whl
loongson/mirror libdct-0.0.2.tar.gz
loongson/mirror libdct-0.0.2-py3.6.egg
loongson/mirror libdct-0.0.2-py3-none-any.whl