Use when creating a specification document for a feature (SDD workflow)
$npx -y skills add knowns-dev/knowns --skill kn-specInstalls into the current project.
Run `npx skills use "https://github.com/knowns-dev/knowns" --skill "knowns-dev/knowns/kn-spec"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/knowns-dev/knowns" that are relevant to the current task. Run `npx skills add "https://github.com/knowns-dev/knowns"` and select the relevant skills, then follow their instructions.