feat: add Project Enigma decoder solution (Rewaa)

[Rewaa02]

No description provided.

[CodelineAtyab]

Solution is not based on the given requirements and there are contradictions:
If space is being ignored then __ should be equal to _ _
but based on your output, these inputs generate different results:
("__", [0]),
("_ _", [0, 0])
meaning space is not ignored.