Fix messages

src/types.rs

@@ -1,9 +1,14 @@
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct ClientMeta {}
+#[serde(rename_all = "camelCase")]
+pub struct ClientMeta {
+    pub display_name: String,
+    pub avatar: Option<String>,
+}
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub struct ServerMeta {
     pub name: String,
     pub description: String,