loongson/mirror: links for merge-segments

loongson/mirror merge_segments-0.6.1.tar.gz
loongson/mirror merge_segments-0.6.1-py3-none-any.whl
loongson/mirror merge_segments-0.6.0.tar.gz
loongson/mirror merge_segments-0.6.0-py3-none-any.whl