loongson/pypi: links for pycopy-ctypes

loongson/mirror pycopy-ctypes-3.8.0b1.post1.tar.gz
loongson/mirror pycopy-_ctypes-0.2.2.tar.gz
loongson/mirror pycopy-_ctypes-0.2.1.tar.gz
loongson/mirror pycopy-_ctypes-0.2.tar.gz