Initial Handbook structure

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Updated the Ultralytics Handbook to include a broken link checker and detailed documentation.

📊 Key Changes

• New CI Workflow: Added GitHub Actions to check for broken links using lychee.
• Documentation Expansion: Introduced sections for mission, vision, values, roles, workflows, and more.
• MkDocs Config: Set up a configuration for a structured handbook using MkDocs.

🎯 Purpose & Impact

• Improved Reliability: Ensures website links are functioning, enhancing user experience.
• Comprehensive Guide: Provides a clear insight into Ultralytics’ operations, aligning users with company principles.
• Accessibility: Aids both internal and external contributors in understanding and participating in Ultralytics projects.

[UltralyticsAssistant]

👋 Hello @glenn-jocher, thank you for submitting an ultralytics/handbook 🚀 PR! To ensure a seamless integration of your work, please review the following checklist:

• ✅ Define a Purpose: Clearly explain the purpose of your fix or feature in your PR description, and link to any relevant issues. Ensure your commit messages are clear, concise, and adhere to the project's conventions.
• ✅ Synchronize with Source: Confirm your PR is synchronized with the ultralytics/handbook main branch. If it's behind, update it by clicking the 'Update branch' button or by running git pull and git merge main locally.
• ✅ Ensure CI Checks Pass: Verify all Ultralytics Continuous Integration (CI) checks are passing. If any checks fail, please address the issues.
• ✅ Update Documentation: Update the relevant documentation for any new or modified features.
• ✅ Add Tests: If applicable, include or update tests to cover your changes, and confirm that all tests are passing.
• ✅ Sign the CLA: Please ensure you have signed our Contributor License Agreement if this is your first Ultralytics PR by writing "I have read the CLA Document and I sign the CLA" in a new message.
• ✅ Minimize Changes: Limit your changes to the minimum necessary for your improvements. "It is not daily increase but daily decrease, hack away the unessential." — Bruce Lee

For more guidance, please refer to our Contributing Guide. This is an automated response, but an Ultralytics engineer will review your PR soon. Thank you for contributing to Ultralytics! 🎉