[Matrix] Max area of island problem solved DFS algorithm (#6918)

* Maximum area of island program added

* Update matrix/max_area_of_island.py

Co-authored-by: Caeden <caedenperelliharris@gmail.com>

* Update matrix/max_area_of_island.py

Co-authored-by: Caeden <caedenperelliharris@gmail.com>

* Update matrix/max_area_of_island.py

Co-authored-by: Caeden <caedenperelliharris@gmail.com>

* Review's comment resolved

* max area of island

* PR Comments resolved

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

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* Test case fail fix

* Grammer correction

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

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* flake8 issue resolved

* some variable name fix

* Update matrix/max_area_of_island.py

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

* Update matrix/max_area_of_island.py

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

* PR, comments resolved

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

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

* Update matrix/max_area_of_island.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update matrix/max_area_of_island.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* PR, comments resolved

* Update max_area_of_island.py

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

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* Typo

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