Add Emitter to main.rs imports

src-tauri/src/main.rs

@@ -1,7 +1,7 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
 use std::sync::Mutex;
-use tauri::{Manager, RunEvent};
+use tauri::{Emitter, Manager, RunEvent};
 
 struct PendingOpens(Mutex<Vec<String>>);