curl --request POST \
  --url https://www.chatbase.co/api/v2/agents/{agentId}/sources \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "text",
  "name": "<string>",
  "content": "<string>"
}
'

{
  "id": "<string>",
  "name": "<string>",
  "size": 123,
  "createdAt": "<string>",
  "metadata": {
    "type": "individual"
  }
}