:sparkles: Added new algorithm for dateToDay conversion

[chetanppatil]

Describe your change:

Added a new algorithm for finding the name of the day from date (dd/mm/yyyy) using Zeller's Congruence

• [X] Add an algorithm?
• [ ] Fix a bug or typo in an existing algorithm?
• [ ] Documentation change?

References

Checklist:

• [X] I have read CONTRIBUTING.md.
• [X] This pull request is all my own work -- I have not plagiarized.
• [X] I know that pull requests will not be merged if they fail the automated tests.
• [X] This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• [X] All new Java files are placed inside an existing directory.
• [X] All filenames are in all uppercase characters with no spaces or dashes.
• [X] All functions and variable names follow Java naming conventions.
• [X] All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
• [ ] If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[chetanppatil]

@siriak your feedback on this will really help me out.

[chetanppatil]

@yanglbme @siriak your feedback on this will really help me out.