nano from home:suse15.5:vim-nano-build project
Select Your Operating System
Add repository and install manually
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:suse15.5:vim-nano-build/15.5/home:suse15.5:vim-nano-build.repo zypper refresh zypper install nano