loongson/pypi: links for pycopy-cpython-pycopy

loongson/mirror pycopy-cpython-pycopy-0.4.1.tar.gz
loongson/mirror pycopy-cpython-pycopy-0.4.tar.gz
loongson/mirror pycopy-cpython-pycopy-0.3.tar.gz
loongson/mirror pycopy-cpython-pycopy-0.0.tar.gz