Add Facebook Customer Chat for the blogging system

components/FacebookMessenger.js

@@ -0,0 +1,11 @@
+import BLOG from '@/blog.config'
+import MessengerCustomerChat from 'react-messenger-customer-chat'
+
+const Messenger = () => (
+  <MessengerCustomerChat
+    pageId={BLOG.FACEBOOK_PAGE_ID}
+    appId={BLOG.FACEBOOK_APP_ID}
+    language={BLOG.LANG.replace('-', '_')}
+  />
+)
+export default Messenger