added default discord invite url

database/seeders/UsefulLinksSeeder.php

@@ -29,7 +29,7 @@ class UsefulLinksSeeder extends Seeder
         UsefulLink::create([
             'icon' => 'fab fa-discord',
             'title' => 'Discord',
-            'link' => env('DISCORD_INVITE_URL'),
+            'link' => env('DISCORD_INVITE_URL' , 'https://discord.gg/4Y6HjD2uyU'),
             'description' => 'Need a helping hand? Want to chat? Got any questions? Join our discord!'
         ]);
     }