python-asyncer from home:birdwatcher project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:birdwatcher/openSUSE_Tumbleweed/home:birdwatcher.repo
zypper refresh
zypper install python-asyncer

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:birdwatcher/15.6/home:birdwatcher.repo
zypper refresh
zypper install python-asyncer