Remove obsolete and not used documentation
Nobody is interested in things that were before and are not relevant. Furthermore, we don't need to write down rules that are enforced by linting anyway.
The attempt to concentrate the readme on the essential and useful.
Add released component in readme
Update how to release components
Merge Checklist:
[x] Code selfreview has been performed (Best Practices).
[x] Tests are sufficient.
[x] Documentation is up to date.
[x] Changelog is up to date.
[x] Typescript typings for properties are up to date.
[x] Designers approved changes or no approval needed.
Merge Checklist: