Add Prettier formatting for markdown and YAML files

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Update to Ultralytics Actions for better code and docs formatting.

📊 Key Changes

• Expanded trigger branches to include both main and master.
• Removed specific markdown and docstring formatting in favor of prettier, which supports a wider range of files.
• Streamlined Python formatting by combining ruff and docformatter commands.
• Updated documentation and examples to reflect the new configuration.
• Added npm install and execution of prettier to format various file types.
• Updated commit messages for clarity.
• Excluded workflow changes from being pushed by the default GitHub token.

🎯 Purpose & Impact

• Broader Reach: The inclusion of both main and master branches ensures more repositories can utilize the workflow without additional customizations.
• Enhanced Formatting: Using prettier allows for consistent and wide-ranging formatting capabilities across file types, leading to cleaner and more professional codebases.
• Developer Efficiency: Simplified Python formatting steps reduce complexity and potential errors during code submission.
• Improved Documentation: Cleaner and updated documentation makes it easier for new users to adopt the actions, improving the user experience.
• Safer Operations: Preventing the workflow from committing its changes with a default token prevents potential security risks and accidental misconfigurations.