Add frist draft version of printouts

print_materials/1_scan.pdf

print_materials/1_scan.png

print_materials/1_scan.svg

print_materials/2_binarization.pdf

print_materials/2_binarization.png

print_materials/2_binarization.svg

print_materials/3_noise_removal.pdf

print_materials/3_noise_removal.png

print_materials/3_noise_removal.svg

print_materials/4_deskewing.pdf

print_materials/4_deskewing.png

print_materials/4_deskewing.svg

print_materials/5_region_segmentation.png

print_materials/5_region_segmentation.svg

print_materials/6_line_detection.png

print_materials/6_line_detection.svg

print_materials/7_word_detection.png

print_materials/7_word_detection.svg

print_materials/8_alto.pdf

print_materials/8_ocr.pdf