feat: seperate into lib and cli packages

soulseek-rs-lib/src/message/peer/upload_failed.rs

@@ -0,0 +1,18 @@
+use crate::info;
+use crate::{
+    message::{Message, MessageHandler},
+    peer::PeerMessage,
+    types::UploadFailed,
+};
+use std::sync::mpsc::Sender;
+
+pub struct UploadFailedHandler;
+impl MessageHandler<PeerMessage> for UploadFailedHandler {
+    fn get_code(&self) -> u8 {
+        46
+    }
+    fn handle(&self, message: &mut Message, _sender: Sender<PeerMessage>) {
+        let upload_failed = UploadFailed::new_from_message(message);
+        info!("Upload failed for ${}", upload_failed.filename);
+    }
+}