Added binary string to decimal converter

[TaranjeetSinghKalsi]

Added binary String to decimal converter using bitwise operators with testcases.

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.27%. Comparing base (ae2e40a) to head (3b25fe5).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6915      +/-   ##
============================================
- Coverage     78.27%   78.27%   -0.01%     
- Complexity     6567     6574       +7     
============================================
  Files           743      743              
  Lines         21886    21895       +9     
  Branches       4284     4288       +4     
============================================
+ Hits          17131    17138       +7     
- Misses         4073     4074       +1     
- Partials        682      683       +1     

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