added token storage in a store, and improved layout on mobile

src-tauri/src/lib.rs

@@ -7,6 +7,7 @@ fn greet(name: &str) -> String {
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
+        .plugin(tauri_plugin_store::Builder::new().build())
         .plugin(tauri_plugin_opener::init())
         .invoke_handler(tauri::generate_handler![greet])
         .run(tauri::generate_context!())