Add a dynamically updating list of contributors in the README.md file.

[Mayur-Pagote]

The README does not have a list of contributors. This feature will let others know who has contributed, and the list will include the profile icons of the contributors. The list will be updated automatically, or we can see it update dynamically in real time.

[github-actions]

👋 Hello @Mayur-Pagote!

Thank you for raising an issue in the Leetcode Journal project!
Your issue has been logged, and the team will review it shortly.

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• Project Admin: @yashksaini-coder
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[yashksaini-coder]

@Mayur-Pagote You are assigned

[parthratra11]

@yashksaini-coder kindly assign it to me, i have added this feature already in my local repo. I'll issue a PR once assigned.

[Mayur-Pagote]

@yashksaini-coder, thank you for assigning this to me. I have completed it, please check PR #55.