GitHub webhook trigger example with a local predicate and handler.
$npx -y skills add burin-labs/harn --skill github-new-issueInstalls into the current project.
Run `npx skills use "https://github.com/burin-labs/harn" --skill "burin-labs/harn/github-new-issue"` 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/burin-labs/harn" that are relevant to the current task. Run `npx skills add "https://github.com/burin-labs/harn"` and select the relevant skills, then follow their instructions.