add arabic language (ar-SA)

add arabic language (ar-SA) (arabic saudi arabia)

lib/lang.js

@@ -1,4 +1,5 @@
 import {
+  arSA,
   cs,
   sk,
   da,
@@ -29,6 +30,7 @@ import {
   zhCN,
   zhTW,
 } from 'date-fns/locale';
+import arSAMessages from 'lang-compiled/ar-SA.json';
 import enMessages from 'lang-compiled/en-US.json';
 import nlMessages from 'lang-compiled/nl-NL.json';
 import zhCNMessages from 'lang-compiled/zh-CN.json';
@@ -62,6 +64,7 @@ import faIRMessages from 'lang-compiled/fa-IR.json';
 import msMYMessages from 'lang-compiled/ms-MY.json';
 
 export const messages = {
+  'ar-SA': arSAMessages,
   'en-US': enMessages,
   'nl-NL': nlMessages,
   'zh-CN': zhCNMessages,
@@ -96,6 +99,7 @@ export const messages = {
 };
 
 export const dateLocales = {
+  'ar-SA': arSA,
   'en-US': enUS,
   'nl-NL': nl,
   'zh-CN': zhCN,
@@ -130,6 +134,7 @@ export const dateLocales = {
 };
 
 export const menuOptions = [
+  { label: 'العربية', value: 'ar-SA', display: 'ar' },
   { label: '中文', value: 'zh-CN', display: 'cn' },
   { label: '中文(繁體)', value: 'zh-TW', display: 'tw' },
   { label: 'Čeština', value: 'cs-CZ', display: 'cs' },