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/helpers/esm/toArray.js

@@ -0,0 +1,8 @@
+import arrayWithHoles from "./arrayWithHoles.js";
+import iterableToArray from "./iterableToArray.js";
+import unsupportedIterableToArray from "./unsupportedIterableToArray.js";
+import nonIterableRest from "./nonIterableRest.js";
+function _toArray(r) {
+  return arrayWithHoles(r) || iterableToArray(r) || unsupportedIterableToArray(r) || nonIterableRest();
+}
+export { _toArray as default };