feat: Fase 1 - Autenticação completa

- Prisma com SQLite configurado
- Tabelas: users, sessions, subscriptions, children, etc
- Auth.js com credentials provider
- API de registro com criação de usuário + criança
- Middleware para proteger rotas
- Login/Cadastro funcionais
- Dashboard com sessão real

package.json

@@ -9,12 +9,20 @@
     "lint": "eslint"
   },
   "dependencies": {
+    "@auth/prisma-adapter": "^2.11.1",
+    "@prisma/client": "^6.19.2",
+    "bcrypt": "^6.0.0",
+    "framer-motion": "^12.33.0",
+    "lucide-react": "^0.563.0",
     "next": "16.1.6",
+    "next-auth": "^5.0.0-beta.30",
+    "prisma": "^6.19.2",
     "react": "19.2.3",
     "react-dom": "19.2.3"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
+    "@types/bcrypt": "^6.0.0",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",