Servers: Add new system messages.

src/routes/servers/server_create.rs

@@ -52,6 +52,14 @@ pub async fn req(user: User, info: Json<Data>) -> Result<JsonValue> {
         name: info.name,
         description: info.description,
         channels: vec![cid.clone()],
+        system_messages: Some(
+            SystemMessageChannels {
+                user_joined: Some(cid.clone()),
+                user_left: Some(cid.clone()),
+                user_kicked: Some(cid.clone()),
+                user_banned: Some(cid.clone())
+            }
+        ),
 
         icon: None,
         banner: None,