add artisan command to generate app key

compass/app/Console/Commands/GenerateKey.php

@@ -0,0 +1,16 @@
+<?php
+namespace App\Console\Commands;
+use Illuminate\Console\Command;
+
+class GenerateKey extends Command {
+
+  protected $signature = 'key:generate';
+  protected $description = 'Generate a random key for APP_KEY';
+
+  public function handle() {
+    $key = bin2hex(random_bytes(16));
+    $this->line('Below is a random string you can use for APP_KEY in the .env file');
+    $this->info($key);
+  }
+
+}

compass/app/Console/Kernel.php

@@ -15,6 +15,7 @@ class Kernel extends ConsoleKernel
     protected $commands = [
       'App\Console\Commands\TestTrip',
       'App\Console\Commands\CleanFile',
+      'App\Console\Commands\GenerateKey'
     ];
 
     /**