Add Bubble Sort algorithm with comments

[farheen-shaikh530]

• 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 74.08%. Comparing base (7602f1e) to head (f405669).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6275      +/-   ##
============================================
+ Coverage     74.07%   74.08%   +0.01%     
  Complexity     5351     5351              
============================================
  Files           677      677              
  Lines         18648    18648              
  Branches       3621     3621              
============================================
+ Hits          13813    13815       +2     
+ Misses         4276     4275       -1     
+ Partials        559      558       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[DenizAltunkapan]

already implemented in https://github.com/TheAlgorithms/Java/tree/master/src/main/java/com/thealgorithms/sorts