fix(client): address nav UX issues (#40823)

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>

client/src/components/createExternalRedirects.js

@@ -0,0 +1,16 @@
+import { forumLocation } from '../../config/env.json';
+
+const createExternalRedirect = (page, { clientLocale }) => {
+  const isNotEnglish = clientLocale !== 'english';
+  if (clientLocale === 'chinese') {
+    return `https://chinese.freecodecamp.org/${page}`;
+  }
+  if (page === 'forum') {
+    return `${forumLocation}/${isNotEnglish ? 'c/' + clientLocale + '/' : ''}`;
+  }
+  return `https://www.freecodecamp.org/${
+    isNotEnglish ? clientLocale + '/news' : 'news'
+  }`;
+};
+
+export default createExternalRedirect;