loongson/pypi: links for rs-fec-conv

loongson/mirror rs_fec_conv-0.4.5-cp37-none-win_amd64.whl
loongson/mirror rs_fec_conv-0.4.5-cp37-cp37m-manylinux1_x86_64.whl
loongson/mirror rs_fec_conv-0.4.5-cp37-cp37m-macosx_10_7_x86_64.whl