Added BaconianCipher.java and BaconianCipherTest.java

[bennybebo]

• 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

Attention: Patch coverage is 91.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 67.00%. Comparing base (c56d282) to head (5ea37e1).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...java/com/thealgorithms/ciphers/BaconianCipher.java	91.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5932      +/-   ##
============================================
+ Coverage     66.97%   67.00%   +0.02%     
- Complexity     4532     4538       +6     
============================================
  Files           615      616       +1     
  Lines         17019    17043      +24     
  Branches       3286     3290       +4     
============================================
+ Hits          11399    11420      +21     
- Misses         5166     5167       +1     
- Partials        454      456       +2     

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