Pass $default to underlying function

Author: paneidos

src/helpers.php

@@ -10,9 +10,9 @@ function credentials(string $key, $default = null) {
         	$credentials = app(Credentials::class);
         	$credentials->load($filename);
 
-        	return $credentials->get($key);
+        	return $credentials->get($key, $default);
         } catch (ReflectionException $e) {
 			return Credentials::CONFIG_PREFIX.$key;
         }
     }
-}
+}