docs: add assets for docs hub projects

[sergiuwaxmann]

@glenn-jocher This PR adds the required assets for Ultralytics HUB Projects Docs.

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Visual documentation enhancement for Ultralytics' project management features.

📊 Key Changes

• New images added to the documentation for various project actions: comparing models, creating, deleting, editing, reordering, sharing, and transferring models.
• Each action is depicted with multiple step-by-step visual guides.

🎯 Purpose & Impact

• Purpose: These additions aim to visually guide users through different functionalities available in Ultralytics' project management system, improving user experience and making it more intuitive.
• Impact: Users of varying expertise levels can better understand how to utilize the platform's features, potentially increasing adoption and satisfaction with the service. The visual aids can help in reducing learning time and improving the ease of navigation.