Bulk create pack stickers

curl --request POST \
  --url https://api.fluxer.app/v1/packs/stickers/{pack_id}/bulk \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "stickers": [
    {
      "name": "<string>",
      "image": "aSDinaTvuI8gbWludGxpZnk=",
      "description": "<string>",
      "tags": [
        "<string>"
      ]
    }
  ]
}
'

{
  "success": [
    {
      "id": "<string>",
      "name": "<string>",
      "description": "<string>",
      "tags": [
        "<string>"
      ],
      "animated": true
    }
  ],
  "failed": [
    {
      "name": "<string>",
      "error": "<string>"
    }
  ]
}