docs: fix useSpring example and rewrite docs

[timpulver]

🔗 Linked issue

#148

❓ Type of change

• 📖 Documentation (updates to the documentation, readme or JSDoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

The docs for useSpring were outdated and the example was not working. I enhanced the useSpring docs by...:

• Replacing the broken example with a new one (resolves useSpring not working #148)
• Fixing the outdated parts in the useSpring docs
• Rewriting parts of the useSpring docs for better clarity

📝 Checklist

• I have linked an issue or discussion.
• I have added tests (if possible).
• I have updated the documentation accordingly.

[Tahul]

That looks excellent to me :)

Nice job @timpulver ; thank you so much!

[BobbieGoede]

This is great! Thanks for contributing!