Update docs pages

[glenn-jocher]

@kalenmike @hassaanfarooq01

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

The ultralytics/hub-sdk GitHub PR introduces improvements to documentation and configuration settings.

📊 Key Changes

• Removed double-quote-string-fixer config in .pre-commit-config.yaml for more flexible string formatting.
• Enhanced documentation for dataset, model, project management, and overall SDK usage with descriptive content and structure.
• Enriched Quickstart Guide with detailed setup instructions and contextual information.

🎯 Purpose & Impact

• Improve developer experience by allowing both single and double-quoted strings in code.
• Provide users with clear, comprehensive guidance on managing datasets, models, and projects using the Ultralytics HUB-SDK.
• Help new users efficiently install and initialize the SDK, increasing accessibility and ease of use.
• Simplified and contextual documentation encourages broader SDK adoption and smoother onboarding for users with different expertise levels.

[glenn-jocher]

@hassaanfarooq01 hey bud, just go ahead and directly take over and modify this PR, it's yours and @kalenmike's to do what you want with. Faster and simpler than suggesting changes.

EDIT: BTW all suggestions are good with me!

[glenn-jocher]

Once we get this cleaned up and merged then I can publish the HUB-SDK docs to https://docs.ultralytics.com/hub/sdk by merging ultralytics/ultralytics#7775