fix: add IPv6 listen and self-contained traefik labels for status/docs

Author: Bulletdev

docs-page/nginx.conf

@@ -1,5 +1,6 @@
 server {
     listen 80;
+    listen [::]:80;
     server_name _;
 
     root /usr/share/nginx/html;

status-page/nginx.conf

@@ -1,5 +1,6 @@
 server {
     listen 80;
+    listen [::]:80;
     server_name _;
 
     root /usr/share/nginx/html;