feat(notification): add Pushover

app/Notifications/Server/Reachable.php

@@ -5,6 +5,7 @@ namespace App\Notifications\Server;
 use App\Models\Server;
 use App\Notifications\CustomEmailNotification;
 use App\Notifications\Dto\DiscordMessage;
+use App\Notifications\Dto\PushoverMessage;
 use App\Notifications\Dto\SlackMessage;
 use Illuminate\Notifications\Messages\MailMessage;
 
@@ -49,6 +50,15 @@ class Reachable extends CustomEmailNotification
         );
     }
 
+    public function toPushover(): PushoverMessage
+    {
+        return new PushoverMessage(
+            title: 'Server revived',
+            message: "Server '{$this->server->name}' revived. All automations & integrations are turned on again!",
+            level: 'success',
+        );
+    }
+
     public function toTelegram(): array
     {
         return [