Fix wrong order for default configuration

[rufer7]

Summary

This pull request includes a minor reordering of the configuration providers list in the docs/core/extensions/configuration.md file. The change ensures that the appsettings.json configuration provider is listed after the appsettings.*Environment*.json provider for better clarity and alignment with the intended configuration precedence.

Key change:

• docs/core/extensions/configuration.md: Reordered the appsettings.json entry to follow the appsettings.*Environment*.json entry in the list of configuration providers. This change ensures the order reflects the configuration precedence more accurately.

---

Internal previews

📄 File	🔗 Preview link
docs/core/extensions/configuration.md	docs/core/extensions/configuration