curl --request GET \
  --url https://api.pocketflows.com/businesses/{id}/email_templates \
  --header 'Authorization: Basic <encoded-value>'

{
  "email_templates": [
    {
      "id": "<string>",
      "name": "<string>",
      "subject": "<string>",
      "kind": "plaintext",
      "body": "<string>",
      "template_json": "<any>",
      "template_html": "<string>",
      "attachments": [
        {
          "content": "<string>",
          "name": "<string>"
        }
      ]
    }
  ]
}