Create batch

curl --request POST \
  --url https://api.rendobar.com/batches \
  --header 'Content-Type: application/json' \
  --data '
{
  "jobs": [
    {
      "type": "watermark.apply",
      "inputs": {
        "source": "https://cdn.rendobar.com/assets/examples/sample.mp4"
      },
      "params": {
        "watermarks": [
          {
            "type": "image",
            "url": "https://cdn.rendobar.com/assets/brand/logo-full.png",
            "position": "bottom-right"
          }
        ]
      }
    },
    {
      "type": "transcode",
      "inputs": {
        "source": "https://cdn.rendobar.com/assets/examples/sample.mp4"
      },
      "params": {
        "codec": "h264",
        "resolution": "1080p"
      }
    }
  ]
}
'

{
  "data": {
    "batchId": "batch_abc123def456",
    "jobCount": 2,
    "jobIds": [
      "job_xyz789",
      "job_def456"
    ],
    "status": "waiting"
  }
}