Update README.md - Githubissues

copilot:all

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

Updated README for better clarity and modern branding.

🖼️ Changed the Ultralytics logo and increased its size for better visibility.
📝 Streamlined the Introduction section, removing repetitive content and focusing on the repository's purpose.
🔗 Added an extra DOI citation to acknowledge another relevant Ultralytics work.
👍 Introduced a "Contribute" section with an appealing visual depicting contributors.
📃 Revised the "License" section, explaining the two types of licenses offered for different user cases.
🌐 Enhanced the "Contact" section with direct links to various Ultralytics social media platforms.

🖊️ Clarifying the purpose of the repo, making the README more welcoming and easier to navigate for new users.
🗣️ Encouraging open-source community engagement through a new "Contribute" section.
📑 Providing clear licensing information to ensure users understand their rights and obligations.
📢 Improving community interaction with updated contact options, potentially increasing network and collaboration opportunities.