Service component - Service Handler API:

- Added method get_service_settings() into SettingsHandler

src/service/service/service_handler_api/SettingsHandler.py

@@ -57,6 +57,11 @@ class SettingsHandler:
     def get(self, key_or_path : Union[str, List[str]], default : Optional[Any] = None) -> Optional[TreeNode]:
         return get_subnode(self.__resolver, self.__config, key_or_path, default=default)
 
+    def get_service_settings(self) -> Optional[TreeNode]:
+        service_settings_uri = '/settings'
+        service_settings = self.get(service_settings_uri)
+        return service_settings
+
     def get_device_settings(self, device : Device) -> Optional[TreeNode]:
         device_keys = device.device_id.device_uuid.uuid, device.name