i18n: init sn locale

Author: wackerow

i18n.config.json

@@ -399,6 +399,14 @@
     "langDir": "ltr",
     "dateFormat": "MM/DD/YYYY"
   },
+  {
+    "code": "sn",
+    "crowdinCode": "sn",
+    "name": "Shona",
+    "localName": "Shona",
+    "langDir": "ltr",
+    "dateFormat": "MM/DD/YYYY"
+  },
   {
     "code": "sr",
     "crowdinCode": "sr-CS",