Integration Hub

Hub multi-tenant de integracoes. Fase 1: Mercado Pago + Nuvemshop.

Servico de API. Veja docs/PLANO-HUB.md e o README.md.

• GET /api/health
• POST /api/payments/charges
• POST /api/webhooks/mercadopago
• GET /api/oauth/nuvemshop/authorize
• POST /api/webhooks/nuvemshop