Email attachments

def send_notification(self, recipient: Recipient, document_name: str, document_file: bytes):
    data = {
        "name": "notification",
        "to": {
            "subscriberId": str(recipient.id),
            "email": recipient.email,
            "firstName": recipient.first_name,
            "lastName": recipient.last_name
        },
        "payload": {
            "document":{
                "name": document_name,
            },
            "attachments": [
                {
                    "file": document_file.decode('unicode_escape'),
                    "name": document_name,
                    "mime": 'application/octet-stream',
                },
            ],
        }
    
  headers = {'Content-Type': 'application/json', 'Authorization': f'ApiKey {settings.NOVU_API_KEY}'}
  response = requests.post(url=f"{settings.NOVU_API_URL}/v1/events/trigger", headers=headers, json=data)