table 4 contents

[priyankaborwanker]

Pull Request

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Description

Adding table of contents

Related Issue(s)

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Changes Made

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Added Chapter 4 contents Fixed spelling of "repository" in contributors.md

Screenshots (if applicable)

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Checklist

• [X ] I have reviewed the Contributing Guidelines for this repository.
• [ X] I have followed the coding style and conventions of this project.
• [ X] I have added/updated relevant documentation (if necessary).
• [X ] The code is tested and all tests pass.
• [ X] I have updated the version (if applicable).
• [ X] All commit messages are meaningful and follow the established convention.

Additional Notes

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