Generate Ren'py image file with gui

This file will make a folder called image_definitions.rpy (you can change this in the code) using tkinter to select images using a folder system. In the folder will be a list of all the images you've selected in a ren'py legible format, e.g image filename = "image location and file name. (it removes the file type from filename and the code is super simple to edit, for instance if you want to batch bg's but you don't name your file "bgFilename" then you can add it to the code.)