Add npm publishing workflow

[sebastianst]

• https://docs.github.com/en/actions/guides/publishing-nodejs-packages - github workflow publishing
• https://classic.yarnpkg.com/en/docs/publishing-a-package/ - yarn publishing

And once this is setup, we can use the published package in dependent projects' CIs, e.g. in https://github.com/perun-network/nerd-marketplace/

[ssafai]

Effort: S (5 days ), M (15 days ), L (40 days , XL (6 Monate?) Priority/BusinessValue: A Highest - > D Lowest