fix: config merging

Embarrassingly, settings from the newly implemented config file where not being correctly applied. This *should* now be fixed.
Change the show standard error default to true

example_config/example.config.jsonc

@@ -13,7 +13,7 @@
 	// Show self (the oxker container) when running as a docker container
 	"show_self": false,
 	// Show std_err in logs
-	"show_std_err": false,
+	"show_std_err": true,
 	// Show a timestamp for every log entry
 	"show_timestamp": true,
 	// Don't draw gui - for debugging - mostly pointless