language-data update: Add Western Armenian to known languages

src/jquery.uls.data.js

@@ -1361,6 +1361,14 @@ module.exports=( function ( $ ) {
             ],
             "Հայերեն"
         ],
+        "hyw": [
+            "Armn",
+            [
+                "EU",
+                "ME"
+            ],
+            "արեւմտահայերէն"
+        ],
         "hz": [
             "Latn",
             [