feat(app): add plugin (#345)

plugins/app/src/lib.rs

@@ -0,0 +1,18 @@
+use tauri::{
+    plugin::{Builder, TauriPlugin},
+    Runtime,
+};
+
+mod commands;
+
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+    Builder::new("app")
+        .invoke_handler(tauri::generate_handler![
+            commands::version,
+            commands::name,
+            commands::tauri_version,
+            commands::show,
+            commands::hide
+        ])
+        .build()
+}