loongson/pypi: links for cwngraph

loongson/mirror CwnGraph-0.4.0.tar.gz
loongson/mirror CwnGraph-0.4.0-py3-none-any.whl
loongson/mirror CwnGraph-0.3.0-py3-none-any.whl
loongson/mirror CwnGraph-0.2.0.tar.gz
loongson/mirror CwnGraph-0.1.5.tar.gz
loongson/mirror CwnGraph-0.1.5-py3-none-any.whl
loongson/mirror CwnGraph-0.1.4.tar.gz
loongson/mirror CwnGraph-0.1.4-py3-none-any.whl