feat(updater): add plugin (#350)

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

examples/api/src-tauri/src/lib.rs

@@ -40,6 +40,7 @@ pub fn run() {
         .plugin(tauri_plugin_os::init())
         .plugin(tauri_plugin_process::init())
         .plugin(tauri_plugin_shell::init())
+        .plugin(tauri_plugin_updater::Builder::new().build())
         .setup(move |app| {
             #[cfg(desktop)]
             {