finish second assignment

src/sernatur-window.vala

@@ -40,6 +40,8 @@ namespace Sernatur {
 				return;
 			}
 
+			// TODO: if config file does not exist, then fallback to gsettings schemas
+
 			Config config = Config();
 			if (!config.read_file ("/etc/sernatur/sernatur.conf")) {
 				stderr.printf ("%s\n", config.error_message ());