feat: Implement Circular Deque

[DaevMithran]

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Changes

• [x] New feature (non-breaking change which adds circular deque implementation)

Checklist:

• [x] I ran bellow commands using the latest version of rust nightly.
• [x] I ran cargo clippy --all -- -D warnings just before my last commit and fixed any issue that was found.
• [x] I ran cargo fmt just before my last commit.
• [x] I ran cargo test just before my last commit and all tests passed.
• [x] I added my algorithm to the corresponding mod.rs file within its own folder, and in any parent folder(s).
• [x] I added my algorithm to DIRECTORY.md with the correct link.
• [x] I checked COUNTRIBUTING.md and my code follows its guidelines.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 95.75758% with 7 lines in your changes missing coverage. Please review.

Project coverage is 95.05%. Comparing base (46ad2da) to head (c17bee3). Report is 13 commits behind head on master.

Files	Patch %	Lines
src/data_structures/circular_deque.rs	95.75%	7 Missing :warning:

Additional details and impacted files

@@           Coverage Diff            @@
##           master     #768    +/-   ##
========================================
  Coverage   95.05%   95.05%            
========================================
  Files         307      308     +1     
  Lines       22729    22894   +165     
========================================
+ Hits        21605    21763   +158     
- Misses       1124     1131     +7     

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[github-actions[bot]]

This pull request has been automatically marked as abandoned because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions[bot]]

Please ping one of the maintainers once you commit the changes requested or make improvements on the code. If this is not the case and you need some help, feel free to ask for help in our Gitter channel. Thank you for your contributions!