fix: Caddyfile adds X-Real-IP header + trusted_proxies config

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

warzone/deploy/docker/Caddyfile

@@ -1,6 +1,9 @@
 {
 	# Global ACME settings
 	email admin@manko.yoga
+	servers {
+		trusted_proxies static private_ranges
+	}
 }
 
 voip.manko.yoga {
@@ -17,5 +20,7 @@ voip.manko.yoga {
 
 	# Everything else → featherChat server
 	# Web UI (/), API (/v1/*), WebSocket (/v1/ws/*)
-	reverse_proxy warzone-server:7700
+	reverse_proxy warzone-server:7700 {
+		header_up X-Real-IP {remote_host}
+	}
 }