Feat (#6561)

* Create zero_one_bfs.java

* Rename zero_one_bfs.java to ZeroOneBfs.java

* Update ZeroOneBfs.java

* Update ZeroOneBfs.java

* Create ZeroOneBfsTest.java

* Update ZeroOneBfsTest.java

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Co-authored-by: Oleksandr Klymenko <alexanderklmn@gmail.com>

Author: ananya-research