root/pypi: links for xchainpy2-bsc

root/pypi xchainpy2_bsc-0.0.7.tar.gz
root/pypi xchainpy2_bsc-0.0.7-py3-none-any.whl
root/pypi xchainpy2_bsc-0.0.3.tar.gz
root/pypi xchainpy2_bsc-0.0.3-py3-none-any.whl