Add `Infix To Prefix` new algorithm with unit tests (#5537)

* Add `Infix To Prefix` new algorithm

* Update directory

* Update directory

* Fix clang

* Fix clang

* Add more tests

* Fix comma error

* Fix test cases

* Fix comment

* Remove unused import

* Update directory

* Add tests for null & empty strings

* Implement suggested changes

* Update directory

* Fix comment

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Co-authored-by: Hardvan <Hardvan@users.noreply.github.com>
Co-authored-by: Alex Klymenko <alexanderklmn@gmail.com>