Docs: GitHub Docs added

[ajay-dhangar]

Related Issue

None

Description

This pull request introduces the GitHub Documentation section to the CodeHarborHub project.
The newly added docs provide a detailed explanation of repository setup, contribution flow, PR creation, and community guidelines.

It aims to help new contributors understand how to effectively use GitHub with our project ecosystem.

Key Highlights

• 📘 Added /github/ directory with structured MDX documentation.
• 🧩 Included detailed setup instructions, workflow explanation, and contribution process.
• 🧠 Enhanced readability with Markdown formatting, code snippets, and links to helpful resources.
• 🌗 Maintains consistent styling with dark/light mode compatibility (as per site theme).

Type of PR

• Bug fix
• Documentation update
• Feature enhancement
• Security enhancement
• Other (specify): ____________

Screenshots / Videos (if applicable)

NaN

Checklist

• I have performed a self-review of my code.
• I have read and followed the Contribution Guidelines.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers, screenshots, and videos after making the changes.
• I have commented my code, particularly in hard-to-understand areas.
• I have followed the code style guidelines of this project.
• I have checked for any existing open issues that my pull request may address.
• I have ensured that my changes do not break any existing functionality.
• Each contributor is allowed to create a maximum of 4 issues per day.
• I have read the resources for guidance listed below.
• I have followed security best practices in my code changes.

Additional Context

This PR focuses purely on documentation updates related to GitHub workflow. It serves as a foundational guide for all future contributors working on issues, PRs, and open-source collaboration under CodeHarborHub.

Resources for Guidance

• Docusaurus Documentation
• React.js Documentation
• Markdown Guide
• MDX Documentation
• Mermaid Documentation

Resources for DSA Features on Our Site:

• Tabs: Switch Languages
• Line Numbering
• Math Equations

Contribution Guidelines

Thank you for contributing to our documentation! Please ensure:

• Follow contribution levels and issue limits.
• Maintain consistent tone and clarity across docs.
• Ensure proper Markdown and MDX structure for readability.

---

✨ This PR enhances contributor experience and documentation clarity for the CodeHarborHub open-source community.

[github-actions]

Great job, @ajay-dhangar! 🎉 Thank you for submitting your pull request to CodeHarborHub. We appreciate your contribution and enthusiasm! Our team will review it soon. If you have any questions or need further assistance, feel free to reach out. Thanks for contributing!

[github-actions]

⚡️ Lighthouse Report for the Deploy Preview of this PR 🚀

🔗 Site: CodeHarborHub | Live Site

URL 🌐	Performance	Accessibility	Best Practices	SEO	📊
/tutorial/	🔴 30	🟢 91	🟡 75	🟢 100	📄
/tutorial/category/html	🟡 58	🟢 90	🟡 75	🟢 100	📄
/tutorial/html/intro-html	🔴 44	🟢 92	🟡 75	🟢 100	📄
/tutorial/category/css	🟡 64	🟢 90	🟡 75	🟢 100	📄
/tutorial/css/introduction/what-is-css	🔴 45	🟢 92	🟡 75	🟢 100	📄
/tutorial/category/javascript	🟡 66	🟢 90	🟡 75	🟢 100	📄
/tutorial/category/react	🟡 64	🟢 90	🟡 75	🟢 100	📄
/tutorial/react/react-intro	🔴 46	🟢 91	🟡 75	🟢 100	📄