docs: notification flows, their API and the notifications page

swarm-nats-auth/src/policy.rs

@@ -1829,7 +1829,10 @@ mod tests {
             "$JS.API.STREAM.INFO.KV_agent-status".to_owned(),
             // The flows document: read it.
             format!("$JS.API.STREAM.INFO.KV_{flows}"),
-            format!("$JS.API.DIRECT.GET.KV_{flows}.$KV.{flows}.{}", notify_flows::KEY),
+            format!(
+                "$JS.API.DIRECT.GET.KV_{flows}.$KV.{flows}.{}",
+                notify_flows::KEY
+            ),
         ] {
             assert!(may(&allowed), "the router may not reach {allowed}");
         }