Add internationalization support with astro-i18next integration

- Implemented astro-i18next for multi-language support, including English, Dutch, and Italian.
- Configured default locale and language fallback settings.
- Defined routes for localized content in the configuration.
- Updated package.json and package-lock.json to include new dependencies for i18next and related plugins.

node_modules/@babel/runtime/README.md

@@ -0,0 +1,19 @@
+# @babel/runtime
+
+> babel's modular runtime helpers
+
+See our website [@babel/runtime](https://babeljs.io/docs/babel-runtime) for more information.
+
+## Install
+
+Using npm:
+
+```sh
+npm install --save @babel/runtime
+```
+
+or using yarn:
+
+```sh
+yarn add @babel/runtime
+```