The foo skill.
$npx -y skills add ongridio/ongrid --skill fooInstalls into the current project.
Run `npx skills use "https://github.com/ongridio/ongrid" --skill "ongridio/ongrid/foo"` 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/ongridio/ongrid" that are relevant to the current task. Run `npx skills add "https://github.com/ongridio/ongrid"` and select the relevant skills, then follow their instructions.