Update 503 view, allow custom text

config/instance.php

@@ -29,5 +29,11 @@ return [
 		]
 	],
 
+	'page' => [
+		'503' => [
+			'header' => env('PAGE_503_HEADER', 'Service Unavailable'),
+			'body' => env('PAGE_503_BODY', 'Our service is in maintenance mode, please try again later.')
+		]
+	],
 
 ];

resources/views/errors/503.blade.php

@@ -3,8 +3,8 @@
 @section('content')
 <div class="container">
   <div class="error-page py-5 my-5 text-center">
-    <h3 class="font-weight-bold">Service Unavailable</h3>
-    <p class="lead">Our service is in maintenance mode, please try again later. <a href="/">Go back to Pixelfed.</a></p>
+    <h3 class="font-weight-bold">{{config('instance.page.503.header')}}</h3>
+    <p class="lead">{{config('instance.page.503.body')}}</p>
   </div>
 </div>
 @endsection