v1.0.1 — Marketplace + npx Support

Added

• Marketplace install support (/plugin marketplace add)
• npx installer (npx @customgpt/claude-quadruple-verification)
• Team rollout template for auto-prompting employees
• Auto-updates via marketplace

Changed

• Restructured hooks.json to event-keyed format
• Scoped npm package to @customgpt/claude-quadruple-verification
• Updated all docs with new install options