List case types

curl --request GET "$PUNAHA_URL/api/case-types" \
  --header "Authorization: Bearer $PUNAHA_TOKEN" \
  --header "x-request-id: example-request-001"

const response = await fetch(`${PUNAHA_URL}/api/case-types`, {
  method: "GET",
  headers: {
  "x-request-id": "example-request-001",
  "Authorization": "Bearer ${PUNAHA_TOKEN}"
}
});

if (!response.ok) throw new Error(`Pūnaha request failed: ${response.status}`);
const result = response.status === 204 ? undefined : await response.json();

using System.Net.Http.Headers;
using System.Text;

using var client = new HttpClient { BaseAddress = new Uri(punahaUrl) };
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", punahaToken);
using var request = new HttpRequestMessage(HttpMethod.Get, "/api/case-types");
request.Headers.Add("x-request-id", "example-request-001");
using var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();

$headers = @{ Authorization = "Bearer $env:PUNAHA_TOKEN"; "x-request-id" = "example-request-001" }
Invoke-RestMethod -Method GET `
  -Uri "$env:PUNAHA_URL/api/case-types" `
  -Headers $headers