Update au-site.json

Author: auduwerella

au-site.json

@@ -27,12 +27,12 @@
   },
   "headers": {},
   "public": {
-    "default": {
+    "au": {
       "commerce-core-endpoint": "{ENDPOINT}",
       "commerce-endpoint": "{CS_ENDPOINT}",
       "headers": {
         "all": {
-          "Store": "default"
+          "Store": "au"
         },
         "cs": {
           "Magento-Customer-Group": "b6589fc6ab0dc82cf12099d1c2d40ab994e8410c",