Get a template

curl --request GET \
  --url https://stoplight.io/mocks/replyteam/reply/765516802/templates/{id}

{
  "id": 12345,
  "name": "Sales Follow-up",
  "subject": "Re: Our previous conversation",
  "body": "Hi {{firstName}},\n\nI hope this email finds you well. I wanted to follow up on our previous conversation about...",
  "categoryId": "123"
}