Support code and images for Batch convert images to PDF with Python by using Pillow or img2pdf

Usage examples

python convertor_0.py

python convertor_1.py -prefix="imgs_png/" -max_range=3 -output=tst_from_png.pdf
python convertor_1.py -prefix="imgs_jpg/" -suffix=.jpg -max_range=3 -output=tst_from_jpg.pdf

python convertor_2.py -prefix="imgs_jpg/" -max_range=3 -output=tst_from_jpg_2.pdf