loongson/mirror: links for shared-baig-idx

loongson/mirror shared_baig_idx-0.1.9.tar.gz
loongson/mirror shared_baig_idx-0.1.9-py3-none-any.whl
loongson/mirror shared_baig_idx-0.1.8.tar.gz
loongson/mirror shared_baig_idx-0.1.8-py3-none-any.whl