Change kvstore endpoint to support the new version

Author: lordkada

_includes/head.html

@@ -31,7 +31,7 @@
     <script src="//cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.js"></script>
 
     {% if jekyll.environment == "production" %}
-        <script async src="//www.kvstore.io/js/public.js?storage_uuid={{site.storage_uuid}}"></script>
+        <script async src="//api.kvstore.io/js/public.js?storage_uuid={{site.storage_uuid}}"></script>
     {% endif %}
 
     <script>
@@ -51,4 +51,4 @@
      _iub.cons.init({
         api_key: "88jk3FOoOq95mIvHCWXQC8XhNtNXmlai"
      });
-    </script>
+    </script>