docs: sdk 2.0.0

[michaelKurowski]

🔗 Linked issue

❓ 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

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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[mattmaribojoc]

One comment, but looks great overall

[mattmaribojoc]

Can we also explain cdnCacheBustingId? Based on the next doc it seems like it's autogenerated during CI/CD? But it would be nice to explain what it is, why it's needed, and where the value comes from,

Also, how does someone use the defaults object? Is it always going to bedefaults.unifiedCommerce.middlewareModule.defaultMethodsRequestConfig or how does someone know which values to access