Small changes

• #104 (closed): Rename file to CONTRIBUTING.md to be recognised by GitLab
• #77 (closed), #123 (closed): Improve examples usages, and exit.

added Doc/Website label

added 1 commit

• ffbffd02 - [exp] Improve usage message and exit

Compare with previous version

changed title from #104: Rename file to CONTRIBUTING.md to be recognised by GitLab to Changes

changed title from Changes to Small changes

changed the description

Can't merge as gitlab is broken and does not see pipeline status.

I retriggered the pipeline.

added Examples label

merged

changed the description

changed milestone to %0.60.0

changed milestone to %0.58.0