Bulk create subscribers

import { Novu } from '@novu/node';

const novu = new Novu('<NOVU_API_KEY>');

await novu.subscribers.bulkCreate([
    {
        subscriberId: 'test-subscriber-1',
        email: 'test-user@sd.com',
        firstName: 'subscriber-1',
        lastName: 'test-1',
    },
    {
        subscriberId: 'test-subscriber-2',
        email: 'test-user-2@sd.com',
        firstName: 'subscriber-2',
        lastName: 'test-2',
    },
    {
        subscriberId: 'test-subscriber-3',
    },
]);

{
    "data": {
        "updated": [],
        "created": [
        {
            "subscriberId": "test-subscriber-1"
        },
        {
            "subscriberId": "test-subscriber-2"
        },
        {
            "subscriberId": "test-subscriber-3"
        }
        ],
        "failed": []
    }
}