add: connect to socket by community

direct messages/groups connect by channel id, everything else should connect by channel with the "is_channel" header set to true

crates/core/src/model/socket.rs

@@ -1,5 +1,11 @@
 use serde::{Serialize, Deserialize, de::DeserializeOwned};
 
+#[derive(Serialize, Deserialize, PartialEq, Eq)]
+pub enum PacketType {
+    /// A regular check to ensure the connection is still alive.
+    Ping,
+}
+
 #[derive(Serialize, Deserialize, PartialEq, Eq)]
 pub enum SocketMethod {
     /// Authentication and channel identification.
@@ -8,6 +14,8 @@ pub enum SocketMethod {
     Message,
     /// A message was deleted in the channel.
     Delete,
+    /// Forward message from server to client. (Redis pubsub to ws)
+    Forward(PacketType),
 }
 
 #[derive(Serialize, Deserialize)]