add Levinstein distance with Dynamic Programming: up -> down approach (#7171)

* add Levinstein distance with Dynamic Programming: up -> down approach

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* add type hint

* fix flake8

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* Update dynamic_programming/min_distance_up_bottom.py

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* Update min_distance_up_bottom.py

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>