npx skills add payloadcms/skills does not work

## Description

Running `npx skills add payloadcms/skills` fails to install the skills package.

## Steps to Reproduce

1. Run `npx skills add payloadcms/skills`
2. Command fails

## Expected Behavior

The command should successfully add the payloadcms/skills package.

## Environment

- Node.js / npm (via npx)