feat: detect user dm relays when opening chat panel (#151)

* preconnect to user messaging relays

* .

crates/registry/src/message.rs

@@ -5,6 +5,7 @@ use nostr_sdk::prelude::*;
 #[derive(Debug, Clone, Hash, PartialEq, Eq)]
 pub enum Message {
     User(RenderedMessage),
+    Warning(String, Timestamp),
     System(Timestamp),
 }
 
@@ -13,6 +14,10 @@ impl Message {
         Self::User(user.into())
     }
 
+    pub fn warning(content: String) -> Self {
+        Self::Warning(content, Timestamp::now())
+    }
+
     pub fn system() -> Self {
         Self::System(Timestamp::default())
     }
@@ -25,6 +30,11 @@ impl Ord for Message {
             (Message::System(a), Message::System(b)) => a.cmp(b),
             (Message::User(a), Message::System(b)) => a.created_at.cmp(b),
             (Message::System(a), Message::User(b)) => a.cmp(&b.created_at),
+            (Message::Warning(_, a), Message::Warning(_, b)) => a.cmp(b),
+            (Message::Warning(_, a), Message::User(b)) => a.cmp(&b.created_at),
+            (Message::User(a), Message::Warning(_, b)) => a.created_at.cmp(b),
+            (Message::Warning(_, a), Message::System(b)) => a.cmp(b),
+            (Message::System(a), Message::Warning(_, b)) => a.cmp(b),
         }
     }
 }