docs: update sample config class

Author: kenjis

user_guide_src/source/general/errors/005.php

@@ -6,5 +6,7 @@
 
 class Exceptions extends BaseConfig
 {
-    public $log = true;
+    // ...
+    public bool $log = true;
+    // ...
 }

user_guide_src/source/general/errors/006.php

@@ -6,5 +6,7 @@
 
 class Exceptions extends BaseConfig
 {
-    public $ignoredCodes = [404];
+    // ...
+    public array $ignoreCodes = [404];
+    // ...
 }