Create count negative numbers in matrix algorithm (#8813)

* updating DIRECTORY.md

* feat: Count negative numbers in sorted matrix

* updating DIRECTORY.md

* chore: Fix pre-commit

* refactor: Combine functions into iteration

* style: Reformat reference

* feat: Add timings of each implementation

* chore: Fix problems with algorithms-keeper bot

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* test: Remove doctest from benchmark function

* Update matrix/count_negative_numbers_in_sorted_matrix.py

Co-authored-by: Christian Clauss <[email protected]>

* Update matrix/count_negative_numbers_in_sorted_matrix.py

Co-authored-by: Christian Clauss <[email protected]>

* Update matrix/count_negative_numbers_in_sorted_matrix.py

Co-authored-by: Christian Clauss <[email protected]>

* Update matrix/count_negative_numbers_in_sorted_matrix.py

Co-authored-by: Christian Clauss <[email protected]>

* Update matrix/count_negative_numbers_in_sorted_matrix.py

Co-authored-by: Christian Clauss <[email protected]>

* Update matrix/count_negative_numbers_in_sorted_matrix.py

Co-authored-by: Christian Clauss <[email protected]>

* refactor: Use sum instead of large iteration

* refactor: Use len not sum

* Update count_negative_numbers_in_sorted_matrix.py

---------

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <[email protected]>