Merge branch 'dev' into 'main'

.gitignore

LICENSE

README.md

doc/diagrams/class_diagram.uxf

doc/diagrams/class_diagram_short_version.uxf

resources/README.md

resources/demo_images/all_mixed.jpg

resources/demo_images/all_sorted.jpg

resources/demo_images/binary_puzzle_piece.png

resources/demo_images/piece_1.png

resources/demo_images/piece_2.png

resources/demo_images/piece_3.png

resources/demo_images/piece_4.png

resources/demo_images/piece_5.png

resources/demo_images/piece_6.png

resources/demo_images/piece_7.png

resources/demo_images/piece_8.png

resources/demo_images/piece_9.png

resources/demo_images/puzzle_animation.gif

resources/test data/testPuzzleData.py