curl --request POST \
  --url https://core.ravenna.ai/api/copilot/notes \
  --header 'Content-Type: application/json' \
  --header 'x-ravenna-api-token: <api-key>' \
  --data '{
  "content": "<string>",
  "category": "GENERAL"
}'

{
  "id": "<string>",
  "content": "<string>",
  "category": "GENERAL",
  "userId": "<string>",
  "workspaceId": "<string>",
  "createdAt": "<string>",
  "updatedAt": "<string>"
}