Mark an event on the app charts

curl --request POST \
  --url http://localhost:3000/api/backend/apps/{id}/annotations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "date": "2026-10-08",
  "label": "Release 5.21.0",
  "market": "de",
  "tag": "wave"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({date: '2026-10-08', label: 'Release 5.21.0', market: 'de', tag: 'wave'})
};

fetch('http://localhost:3000/api/backend/apps/{id}/annotations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "http://localhost:3000/api/backend/apps/{id}/annotations"

payload = {
    "date": "2026-10-08",
    "label": "Release 5.21.0",
    "market": "de",
    "tag": "wave"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{}