feat: slack notifications

app/Notifications/Dto/SlackMessage.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Notifications\Dto;
+
+class SlackMessage
+{
+    public function __construct(
+        public string $title,
+        public string $description,
+        public string $color = '#0099ff'
+    ) {
+    }
+
+    public static function infoColor(): string
+    {
+        return '#0099ff';
+    }
+
+    public static function errorColor(): string
+    {
+        return '#ff0000';
+    }
+
+    public static function successColor(): string
+    {
+        return '#00ff00';
+    }
+}