Added Queues directory and queue.md

[Surani02]

Description

I added a new algorithms explanation on queues under data structures. It includes description, applications, operations, sources and video URLs.

Checklist

• A description of the changes in this PR is mentioned above.
• All the new and existing checks pass.
• No plagiarized, duplicated, or repetitive documentation that has been directly copied from another source.
• If it's a new explanation, it contains solid, understandable, and accessible information.
• I have read the whole contributing guidelines and agree to the Code of Conduct.

Note to reviewers

I added a new directory named Queues under Data Structures and added a new file named queue.md under that new directory.

[Surani02]

@appgurueu I did the changes as you asked.

[github-actions]

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.

[appgurueu]

(though there seems to be an unrelated change to the explanation of Kadane's Algo?)

[github-actions]

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!