added caddy

Caddyfile

@@ -0,0 +1,11 @@
+consume.narl.io {
+	# Backend API (routes are served under /api by the Rust app).
+	handle /api/* {
+		reverse_proxy backend:8080
+	}
+
+	# Everything else → SvelteKit (adapter-node) server.
+	handle {
+		reverse_proxy frontend:3000
+	}
+}