Use config classes for firstrun and welcome

config.py

@@ -282,6 +282,10 @@ class AlltalkConfig(AbstractJsonConfig):
         self.gradio_pages = AlltalkConfigGradioPages()
         self._load_config()
 
+    @staticmethod
+    def default_config_path():
+        return AlltalkConfig.__this_dir / "confignew.json"
+
     @staticmethod
     def get_instance(force_reload = False):
         if AlltalkConfig.__instance is None: