Extend image boundaries

curl --request POST \
  --url https://api.worqhat.com/api/ai/images/modify/v3/extend-image \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'existing_image=(binary file)' \
  --form output_type=url \
  --form leftExtend=0 \
  --form rightExtend=0 \
  --form topExtend=0 \
  --form bottomExtend=100 \
  --form 'description=Show a white field'

{
  "image": "https://example.com/processed-image.png",
  "processing_time": 15938.768708,
  "processing_id": "1e01b632-2d8f-4f71-8a27-36e219d67be5"
}