feat: add torch plugin for iOS and Android (#3551)

* feat(barcode-scanner): add torch toggle

* feat: torch plugin

* fix

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

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

@@ -95,6 +95,7 @@ pub fn run() {
                 app.handle().plugin(tauri_plugin_nfc::init())?;
                 app.handle().plugin(tauri_plugin_geolocation::init())?;
                 app.handle().plugin(tauri_plugin_haptics::init())?;
+                app.handle().plugin(tauri_plugin_torch::init())?;
             }
 
             let mut webview_window_builder =