Merge branch 'prepare_probs' into 'main'

...ilp_keyboard_layout_optimization/data_aquisition/chars.py

...oard_layout_optimization/data_aquisition/probabilities.py

src/ilp_keyboard_layout_optimization/receive_data.py

src/ilp_keyboard_layout_optimization/type_aliases.py

test/test_chars.py

test/test_probabilities.py

test/test_receive_data.py

test/test_types.py