Return the processed image with a unique ID
POST /api/transform?url=https://bower.io/img/bower-logo.png&resizeWidth=500&resizeHeight=500&cropWidth=400&cropHeight=400&rotate=45&rotateColor=transparent
- url
- resizeWidth & resizeHeight
- cropWidth & cropHeight
- cropX & cropY
- rotate & rotateColor (for the background)