REST API Documentation
/api/auth/register- Register new user/api/auth/login- Login and get JWT token/api/products- List all products/api/products/:id- Get product by ID/api/products- Create product/api/products/:id- Update product/api/products/:id- Delete product/api/categories/api/categories/api/categories/:id/api/categories/:id/api/orders/api/orders/api/orders/:id