Add Dockerfile-M1

[glenn-jocher]

Per https://stackoverflow.com/questions/69054921/docker-on-mac-m1-gives-the-requested-images-platform-linux-amd64-does-not-m

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Support for Apple M1 and other ARM architectures in YOLOv5 via a new Docker image 🍏💻🐳

📊 Key Changes

• 🆕 Created a new Dockerfile-M1 tailored for aarch64 architecture ARM-based systems like the Apple M1 chips, Jetson Nano, and Raspberry Pi.
• 🐧 Based on the arm64v8/ubuntu:20.04 Ubuntu Docker image to ensure compatibility with ARM processors.
• ⚙️ Provides installation of key Linux packages and Python dependencies required for YOLOv5.
• 📦 Includes instructions for building and pushing the Docker image, as well as pulling and running it.

🎯 Purpose & Impact

• 🚀 Enables developers and researchers using Apple M1 machines or other ARM-based devices to deploy YOLOv5 smoothly, bridging the gap in AI development across different architectures.
• 🌐 Facilitates cross-platform operability, making deep learning more accessible and user-friendly on popular ARM devices.