Update all pages under concepts in order to enhance the documentation:
- add examples of how to use the concept, e.g. show all ways of registering/authoring commands
- make sure that things are explicit instead of assumptions and implications
- ensure to outline all capabilities of a concept, e.g. global options, help texts, etc.
- ensure the concept pages contain cross references to the other concepts of quickli
- ensure the concept pages contain admonitions (where appropriate) to highlight information to the user
Update all pages under concepts in order to enhance the documentation: