Links for websockets

websockets-6.0-cp37-cp37m-linux_aarch64.whl
websockets-6.0-cp37-cp37m-manylinux1_x86_64.whl
websockets-6.0-cp38-cp38-linux_aarch64.whl
websockets-6.0-cp38-cp38-linux_armv7l.whl
websockets-6.0-cp38-cp38-linux_x86_64.whl
websockets-8.1-cp38-cp38-manylinux2010_x86_64.whl