Update format.yml

[UltralyticsAssistant]

This pull request adds an improved Ultralytics Actions workflow to automatically format code and documentation to the new Ultralytics official standards maintained at https://github.com/ultralytics/actions.

Four individual actions are run by default. To disable actions, set them to false, i.e. 'python: false'.

To customize an action use a pyproject.toml file in this repo, and see the individual action repo for details.

name: Ultralytics Actions

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  format:
    runs-on: ubuntu-latest
    steps:
      - name: Run Ultralytics Formatting
        uses: ultralytics/actions@main
        with:
          python: true
          docstrings: true
          markdown: true
          spelling: true

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Updated workflow actions for improved code and documentation formatting, and refined README formatting for better clarity.

📊 Key Changes

• Workflow actions now reference Ultralytics Actions directly, ensuring adherence to official Ultralytics standards.
• Added specific formatting steps: Python, docstrings, markdown, and spelling checks to the workflow.
• Streamlined texts and removed unnecessary whitespaces and line breaks in multiple README files.

🎯 Purpose & Impact

• Ensures that all code contributions are automatically formatted to maintain a consistent and high-quality codebase. 🧹
• Enhances readability and clarity of documentation, making it more accessible to users. 📖
• Better documentation layout can attract and engage more users, improving their overall experience with Ultralytics projects. 🌐