Fix missing values in sample files

config/local-sample.config.php

@@ -36,9 +36,11 @@ return [
 		'sitename' => 'Friendica Social Network',
 		'register_policy' => \Friendica\Module\Register::OPEN,
 		'register_text' => '',
+		'hostname' => 'friendica.local',
 	],
 	'system' => [
 		'default_timezone' => 'UTC',
 		'language' => 'en',
+		'url' => 'https://friendica.local',
 	],
 ];

mods/local.config.vagrant.php

@@ -40,5 +40,7 @@ return [
 		'language' => 'en',
 		'basepath' => '/vagrant',
 		'ssl_policy' => \Friendica\App\BaseURL::SSL_POLICY_SELFSIGN,
+		'url' => 'https://192.168.56.10',
+		'urlpath' => '',
 	],
 ];