support ip address as new argument in addsub.sh

scripts/addsubdomain/subdomain.dmz.rs.proxy

@@ -0,0 +1,29 @@
+server {
+	listen 443 ssl ;
+	listen [::]:443 ssl ;
+
+	index index.html index.htm index.nginx-debian.html;
+
+	server_name subdomain.dmz.rs subdomain.decentrala.org;
+
+	ssl_certificate /etc/letsencrypt/live/subdomain.dmz.rs/fullchain.pem;
+	ssl_certificate_key /etc/letsencrypt/live/subdomain.dmz.rs/privkey.pem;
+	ssl_dhparam /etc/ssl/dhparam.pem;
+	ssl_protocols TLSv1.2 TLSv1.3;
+	ssl_ciphers HIGH:!aNULL:!MD5;
+
+
+	location / {
+       		proxy_set_header Host azuracast.dckrov.rs;
+       		proxy_set_header X-Real-IP $remote_addr;
+       		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+       		proxy_pass http://CTIPADDRESS$request_uri;
+       }
+
+	location /.well-known/acme-challenge/ {
+		root /var/www/subnodotdmzrs;
+	}
+
+	resolver 9.9.9.9;
+}