Add markdown link checker to pre-commit

[Aashish-Jha-11]

Adds markdown-link-check hook to validate all links in markdown files automatically.

Closes #19

[gemini-code-assist]

Summary of Changes

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This pull request introduces an automated link validation mechanism for markdown files by integrating the markdown-link-check tool into the pre-commit configuration. This enhancement aims to proactively identify and prevent broken links from being committed, thereby maintaining the quality and accuracy of the project's documentation.

Highlights

• New Pre-Commit Hook: A new pre-commit hook, markdown-link-check, has been added to automatically validate all links within markdown files.
• Automated Link Validation: This hook ensures that all external and internal links in markdown documentation are valid, preventing broken references and improving documentation reliability.

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[gemini-code-assist]

Code Review

This pull request adds a markdown-link-check pre-commit hook to validate links in Markdown files. The implementation is correct, but I've suggested adding an explicit configuration file to make the hook more robust and prevent potential false positives from failing builds in the future. This will improve the long-term maintainability of this check.