chore: add paragon messages (#612)

Author: Mashal-m

src/i18n/index.js

@@ -1,5 +1,6 @@
 import { messages as headerMessages } from '@edx/frontend-component-header';
 import { messages as footerMessages } from '@edx/frontend-component-footer';
+import { messages as paragonMessages } from '@edx/paragon';
 
 import arMessages from './messages/ar.json';
 import caMessages from './messages/ca.json';
@@ -35,5 +36,6 @@ const appMessages = {
 export default [
   headerMessages,
   footerMessages,
+  paragonMessages,
   appMessages,
 ];