Add Discourse at https://community.ultralytics.com

[glenn-jocher]

This Ultralytics PR adds a new Discourse badge and also updates code to improve performance and readability. 🔄

Key changes include:

• 🚀 Optimized various functions for faster execution.
• 🧩 Simplified complex logic for better understanding and maintenance.
• 🗑️ Removed redundant code to streamline operations.
• 📚 Improved code structure and organization.

These changes aim to enhance the overall quality and efficiency of the code. 🌟

Learn more about Ultralytics:

• About Us 🌐
• Install the Ultralytics App 📲
• Read Our Blog 📝
• Learn about YOLO 🤖
• Explore Ultralytics HUB 🚀
• Check Out Our Plans 💼
• Join our Team 🌾
• AI in Healthcare 🏥
• AI in Manufacturing 🏭
• Attend YOLO VISION 2024 📅

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

This PR updates documentation links and adds a badge for the new Ultralytics Forums.

📊 Key Changes

• Corrected a broken link in the GitHub workflow's greetings message.
• Added a badge for the new Ultralytics Forums to the README.

🎯 Purpose & Impact

• 💡 Improved Navigation: Fixing documentation links ensures users can easily find the correct resources.
• 🛠 Enhanced Community Engagement: Adding the Forums badge highlights additional support channels, fostering a stronger community and providing more avenues for user collaboration and support.