Improved README.md with Contributor Info

[sneha12jyoti]

Improved README contribution guidelines

Related Issue

Description

Improved the README.md by adding a helpful section for new contributors, explaining how to get started and contribute effectively.

Changes Made

• Added a section with contribution tips
• Ensured formatting consistency and clarity

Checklist

• My changes follow the code style of this project
• I have performed a self-review of my changes
• I have made corresponding changes to the documentation (README)

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Thank you for reviewing this PR! 🚀

Checklist:

• I have placed my code file in the (/Code) Folder e.g. If it's a Code in JAVA then I have placed my code pr_name.java file in (/Code/Java/) Directory.
• I have Added the Description, Approach, and Working of Code at the beginning of Code.
• I have added 2 or more Testcases at the Bottom side of the Code.
• I have Added Time and Space Complexity at the End of the Code.
• I have Explained the Variables use in Complexity e.g. O(n) where n is the length of an array.
• I have Updated the Readme Related to the Topics e.g., if the issue is regarding Matrix then Update the Readme.MD present in 2D_Array Folder.
• I have added Proper Comments in between the Code for Better Explanation.
• I have sorted the list of the Readme.MD where I have added the issue in the Alphabetical Order.

[github-actions]

AlgoTree team will review your PR soon. Take Care of Few of the Things where most contributors are missing out. @sneha12jyoti :)

[sneha12jyoti]

I would like to work on this under GSSoC'25. Please assign it to me