/create

Create a brand new Claude Code skill repository with templates, metadata, and executable install script.

## Goal
Use `/skill-squared:create` to scaffold a complete skill project from scratch.

## Workflow
1. Gather required inputs:
   - `skill_name` (kebab-case)
   - `skill_description`
   - `author_name`
   - `author_email`
   - `github_user`
   - Optional `target_dir` (defaults to current)
   - Optional `version` (default `0.1.0`)
2. Validate:
   - Name matches `^[a-z0-9]+(-[a-z0-9]+)*$`
   - Email contains `@`
   - Target directory is writable and destination folder does not already exist (prompt for overwrite only if user insists).
3. Create directory skeleton inside `$TARGET/$skill_name`:...