adds docstring to autostart method

src/pydase/task/autostart.py

@@ -6,6 +6,12 @@ from pydase.utils.helpers import is_property_attribute
 def autostart_service_tasks(
     service: pydase.data_service.data_service.DataService,
 ) -> None:
+    """Starts the service tasks defined with the `autostart` keyword argument.
+
+    This method goes through the attributes of the passed service and its nested
+    `pydase.DataService` instances and calls the start method on autostart-tasks.
+    """
+
     for attr in dir(service):
         if not is_property_attribute(service, attr):  # prevent eval of property attrs
             val = getattr(service, attr)