Allow files to be added to notes

This is specifically when a Micropub client is using the JSON syntax and
initially uploads the photo via the media endpoint

config/filesystems.php

@@ -41,7 +41,7 @@ return [
         'public' => [
             'driver' => 'local',
             'root' => storage_path('app/public'),
-            'url' => env('APP_URL').'/storage',
+            'url' => rtrim(env('APP_URL'), '/').'/storage',
             'visibility' => 'public',
             'throw' => false,
             'report' => false,

config/logging.php

@@ -1,7 +1,6 @@
 <?php
 
 use Monolog\Handler\NullHandler;
-use Monolog\Handler\StreamHandler;
 use Monolog\Handler\SyslogUdpHandler;
 use Monolog\Processor\PsrLogMessageProcessor;