feat: Add example with an emit_all event

examples/emit-event/src-tauri/src/main.rs

@@ -0,0 +1,22 @@
+#![cfg_attr(
+  all(not(debug_assertions), target_os = "windows"),
+  windows_subsystem = "windows"
+)]
+
+use tauri::{Manager};
+
+#[derive(Clone, serde::Serialize)]
+struct Payload {
+  args: Vec<String>,
+  cwd: String,
+}
+
+fn main() {
+  tauri::Builder::default()
+    .plugin(tauri_plugin_single_instance::init(|app, argv, cwd| {
+      println!("{}, {argv:?}, {cwd}", app.package_info().name);
+      app.emit_all("single-instance", Payload { args: argv, cwd }).unwrap();
+    }))
+    .run(tauri::generate_context!())
+    .expect("error while running tauri application");
+}