Update 503 and 404 view, allow custom text

config/instance.php

@@ -30,6 +30,10 @@ return [
 	],
 
 	'page' => [
+		'404' => [
+			'header' => env('PAGE_404_HEADER', 'Sorry, this page isn\'t available.'),
+			'body' => env('PAGE_404_BODY', 'The link you followed may be broken, or the page may have been removed. <a href="/">Go back to Pixelfed.</a>')
+		],
 		'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/404.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">Sorry, this page isn't available.</h3>
-    <p class="lead">The link you followed may be broken, or the page may have been removed. <a href="/">Go back to Pixelfed.</a></p>
+    <h3 class="font-weight-bold">{!!config('instance.page.404.header')!!}</h3>
+    <p class="lead">{!!config('instance.page.404.body')!!}</p>
   </div>
 </div>
 @endsection

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">{{config('instance.page.503.header')}}</h3>
-    <p class="lead">{{config('instance.page.503.body')}}</p>
+    <h3 class="font-weight-bold">{!!config('instance.page.503.header')!!}</h3>
+    <p class="lead">{!!config('instance.page.503.body')!!}</p>
   </div>
 </div>
 @endsection