Upload Media Files to Release

curl --request POST \
  --url https://server26-dot-royalti-project.uc.r.appspot.com/releases/{id}/media/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data'

{
  "success": true,
  "data": [
    {
      "cloudId": "2_Royalti Demo/releases/d9c09ab9-2816-4f48-9cca-725dc77c6600/release/CertificateOfCompletion_What Is Generative AI.pdf",
      "cloudUrl": "https://storage.googleapis.com/catalog_uploads_temp/2_Royalti%20Demo/releases/d9c09ab9-2816-4f48-9cca-725dc77c6600/release/CertificateOfCompletion_What%20Is%20Generative%20AI.pdf?GoogleAccessId=...",
      "type": "document",
      "name": "CertificateOfCompletion_What Is Generative AI.pdf",
      "isLink": false,
      "releasePath": "2_Royalti Demo/releases/d9c09ab9-2816-4f48-9cca-725dc77c6600/release/CertificateOfCompletion_What Is Generative AI.pdf",
      "metadata": {
        "fileSize": 70790,
        "mimeType": "application/pdf",
        "uploadedAt": "2025-07-23T18:23:45.398Z",
        "mediaType": "release"
      }
    }
  ],
  "message": "1 files uploaded to release"
}