Fix issue where pi thinks it should use ipv6 localhost (#209)

src/web/service-infra/nginx-default.conf

@@ -2,7 +2,7 @@
 # Simple proxy_pass for RaSCSI-web
 server {
     location / {
-        proxy_pass http://localhost:8080;
+        proxy_pass http://127.0.0.1:8080;
     }
 
     # Large files