removed old rust encryption module

server/src/prelude.rs

@@ -0,0 +1,12 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+
+use serde::{Serialize,Deserialize};
+
+
+#[async_trait]
+trait Sender<'de, TMessage: Deserialize<'de> + Serialize>  {
+	async fn send(self: &Arc<Self>, message: TMessage) -> Result<(), std::io::Error>;
+	async fn recv(self: &Arc<Self>) -> Result<TMessage, std::io::Error>;
+}