List countries

import { createSpreeClient } from '@spree/sdk'

const client = createSpreeClient({
  baseUrl: 'https://your-store.com',
  publishableKey: '<api-key>',
})

const countries = await client.store.countries.list()

{
  "data": [
    {
      "iso": "DE",
      "iso3": "IS19",
      "name": "Germany",
      "states_required": false,
      "zipcode_required": true
    },
    {
      "iso": "US",
      "iso3": "USA",
      "name": "United States of America",
      "states_required": true,
      "zipcode_required": true
    }
  ]
}