Updates community section

[Burhan-Q]

• Rename contributions directory to community
• Add index.md for Community section
• Refactor navigation for changes

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Ultralytics has introduced placeholder pages for a comprehensive Handbook to guide community engagement and contributions.

📊 Key Changes

• Added new placeholder documentation pages for "Community Engagement," "How to Contribute," and "Community Index" in the Ultralytics Handbook.
• Included sections on the company's mission, values, operational workflows, and contribution guidelines.

🎯 Purpose & Impact

• Guidance for Contributors: These pages outline forthcoming comprehensive information, providing potential contributors with an understanding of Ultralytics’ goals and values, as well as how they can participate.
• Community Engagement: By previewing upcoming resources, the initiative aims to foster community interaction and involvement and provide clear directions on contributing.
• Enhanced Transparency: Offers insights into the internal workings and collaboration guidelines of Ultralytics, promoting open-source contribution and continuous improvement across projects.

[UltralyticsAssistant]

👋 Hello @Burhan-Q, thank you for submitting a PR to the ultralytics/handbook repository! 🚀 This is an automated response, and an Ultralytics engineer will review your submission shortly.

Here's a checklist to ensure a smooth integration process:

• ✅ Define a Purpose: Make sure your PR description clearly outlines the purpose and scope of your changes. Link to any relevant issues if applicable.
• ✅ Synchronize with Source: Ensure your branch is up-to-date with the latest changes in the main branch of the ultralytics/handbook repository. You can do this via the 'Update branch' button or by running git pull and git merge main on your local machine.
• ✅ Ensure CI Checks Pass: Confirm all Ultralytics Continuous Integration (CI) checks are green. If any checks fail, please address the issues accordingly.
• ✅ Update Documentation: If you added or modified features, make sure to update the relevant documentation.
• ✅ Add Tests: If applicable, ensure you have added or updated tests to cover your changes. Verify that all tests are passing.
• ✅ Sign the CLA: If this is your first contribution to Ultralytics, please sign our Contributor License Agreement (CLA) by stating "I have read the CLA Document and I sign the CLA" in a new comment.
• ✅ Minimize Changes: Aim to keep your changes to the minimum necessary to achieve the desired outcome. This is in line with the philosophy of focusing on essential changes for clarity and maintainability.

For more guidance, do check out our Contributing Guide. If you have any questions, feel free to ask by commenting below. Thank you for your efforts in enhancing Ultralytics’ community documentation! 📖✨

[glenn-jocher]

@Burhan-Q this is great, thank you!