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/dispose.js

@@ -0,0 +1,28 @@
+function dispose_SuppressedError(r, e) {
+  return "undefined" != typeof SuppressedError ? dispose_SuppressedError = SuppressedError : (dispose_SuppressedError = function dispose_SuppressedError(r, e) {
+    this.suppressed = e, this.error = r, this.stack = Error().stack;
+  }, dispose_SuppressedError.prototype = Object.create(Error.prototype, {
+    constructor: {
+      value: dispose_SuppressedError,
+      writable: !0,
+      configurable: !0
+    }
+  })), new dispose_SuppressedError(r, e);
+}
+function _dispose(r, e, s) {
+  function next() {
+    for (; r.length > 0;) try {
+      var o = r.pop(),
+        p = o.d.call(o.v);
+      if (o.a) return Promise.resolve(p).then(next, err);
+    } catch (r) {
+      return err(r);
+    }
+    if (s) throw e;
+  }
+  function err(r) {
+    return e = s ? new dispose_SuppressedError(e, r) : r, s = !0, next();
+  }
+  return next();
+}
+module.exports = _dispose, module.exports.__esModule = true, module.exports["default"] = module.exports;