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 the GitHub Actions workflow for code formatting and enhanced the project README for better clarity.

📊 Key Changes

• The GitHub Actions workflow file .github/workflows/format.yml has been updated to use the Ultralytics formatting actions.
• Now specifically formats Python code, docstrings, markdown files, and checks for spelling errors.
• The README file has received minor updates adding line breaks for improved readability.

🎯 Purpose & Impact

• 🚀 Automating Code Quality: The updated workflow ensures that all contributions adhere to Ultralytics formatting standards automatically, leading to cleaner and more maintainable code.
• 📖 Improved Documentation: The changes in the README file enhance the presentation and make the instructions clearer, potentially attracting more contributors and users.
• ✨ A Spelling Check: Spelling validation will help in maintaining professional and error-free documentation.