WIP [CORD-1140] serving GUI under /xos

Change-Id: I8095355f8f437899ce1d0ee31ff333254bfa8a7d
diff --git a/conf/proxy.js b/conf/proxy.js
index d2459d8..8af184d 100644
--- a/conf/proxy.js
+++ b/conf/proxy.js
@@ -7,7 +7,7 @@
 });
 
 const extensionsProxy = httpProxy.createProxyServer({
-  target: `http://${target}/spa/`
+  target: `http://${target}/xos/`
 });
 
 proxy.on('error', function(error, req, res) {