feat(fe): add notify.f0xx.org nginx vhost snippet

Proxy broadcast public landing pages to ac_be_backend for lab/prod FE install.

Co-authored-by: Cursor <cursoragent@cursor.com>

fe/notify.f0xx.org.conf

@@ -0,0 +1,43 @@
+# FE Gentoo — notify.f0xx.org (broadcast public landing pages)
+# Requires upstream ac_be_backend from ac-platform-edge/fe/ac-fe-upstream.conf
+# BE: cast01–03 nginx server_name notify.f0xx.org → /var/www/ac/broadcast/public
+
+server {
+	listen 80;
+	server_name notify.f0xx.org;
+
+	location ^~ /.well-known/acme-challenge/ {
+		root /var/www/letsencrypt;
+		allow all;
+	}
+
+	return 301 https://$host$request_uri;
+}
+
+server {
+	listen 443 ssl http2;
+	server_name notify.f0xx.org;
+
+	ssl_certificate     /etc/letsencrypt/live/notify.f0xx.org/fullchain.pem;
+	ssl_certificate_key /etc/letsencrypt/live/notify.f0xx.org/privkey.pem;
+
+	access_log /var/log/nginx/notify.f0xx.org.access_log main;
+	error_log /var/log/nginx/notify.f0xx.org.error_log info;
+
+	location / {
+		proxy_pass http://ac_be_backend;
+		proxy_http_version 1.1;
+		proxy_set_header Host              $host;
+		proxy_set_header X-Real-IP         $remote_addr;
+		proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
+		proxy_set_header X-Forwarded-Proto $scheme;
+		proxy_connect_timeout 120s;
+		proxy_send_timeout 120s;
+		proxy_read_timeout 180s;
+		proxy_buffers 16 16m;
+		proxy_buffer_size 16m;
+		client_body_buffer_size 16m;
+		client_max_body_size 16m;
+		proxy_buffering off;
+	}
+}