Feat: Added Binary to gray and gray to binary convertor

Added Binary to gray and gray to binary convertor within the conversions package

For eg: Binary Input = 100010 will be converted to gray =110011 and Gray = 111111 to Binary: 101010

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• [x ] All filenames are in PascalCase.
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I already created pull request to solve the issue #4524 pull request #4525 with all successful checks.

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