API for image storage function of Redactor Feature Request

imageStorage.js

var storeImageLocally = function(imageFile, callback){
    // result of  asynchronous call which will store the file
    var result = {
      localUrl: 'filesystem:http://localhost:9000/persistent/someImage.jpg',
      imageId: 'generated uid'
    }
    // call the callback with html to insert into redactor
    callback('<img src="'+result.localUrl+'" data-image-id="'result.imageId'">');
}