add shipping rules

config/mailpreview.php

@@ -9,9 +9,7 @@ return [
      * This option determines where all the generated email previews will be
      * stored for the application. Typically, this is within the storage
      * directory. However, you may change the location as you desire.
-     *
      */
-
     'path' => storage_path('email-previews'),
 
     /**
@@ -22,9 +20,7 @@ return [
      * This option determines how long (in seconds) the mail transformer should
      * keep the generated preview files before deleting them. By default it's
      * set to 60 seconds, but you can change this to whatever you desire.
-     *
      */
-
     'maximum_lifetime' => 60,
 
     /**
@@ -35,9 +31,7 @@ return [
      * This option determines if you would like to show a HTML link at the top
      * left corner of your screen every time and email is sent from your
      * system, the link will point the browser to the preview file.
-     *
      */
-
     'show_link_to_preview' => true,
 
     /**
@@ -46,7 +40,6 @@ return [
      * This is a time in milliseconds.
      * If you use 0 or a negative number it will never be removed.
      */
-
     'popup_timeout' => 8000,
 
     /**
@@ -58,7 +51,6 @@ return [
      * middleware groups that you want to use this package with should
      * be included.
      */
-
     'middleware_groups' => ['web'],
 
     /**
@@ -69,7 +61,6 @@ return [
      * This option allows for setting middleware for the route that shows a
      * preview to the mail that was just sent.
      */
-
     'middleware' => [
 
     ],