[feat] add check path logic to prepare

todo: more complete logic

src-tauri/src/main.rs

@@ -82,7 +82,7 @@ fn main() {
             cmds::kill_steam,
             cmds::get_steam_path,
             cmds::set_auto_login_user,
-            cmds::check_file_exists,
+            cmds::check_path,
             on_button_clicked
         ])
         .run(ctx)