Image

const response = await fetch('/api/Theme/{id}/Image', {
    method: 'PUT',
    headers: {
      "Content-Type": "multipart/form-data"
    },
    body: JSON.stringify({}),
});
const data = await response.json();

{
  "type": "text",
  "title": "text",
  "detail": "text",
  "instance": "text"
}

const response = await fetch('/api/Theme/{id}/Image', {
    method: 'GET',
    headers: {},
});
const data = await response.json();

{
  "type": "text",
  "title": "text",
  "detail": "text",
  "instance": "text"
}