WIP notifications and other refactors (#88)

* WIP notifications and other refactors
- refactor notification channels
- send notifications on events related to the servers and sites
- delete server log files on server deletion
- add telegram notification channel
- add new icons
- cache configs and icons on installation and updates
- new navbar for dark mode and settings

* discord channel

* build assets

* pint

app/Facades/Notifier.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Facades;
+
+use App\Contracts\Notification;
+use Illuminate\Support\Facades\Facade;
+
+/**
+ * @method static void send(object $notifiable, Notification $notification)
+ */
+class Notifier extends Facade
+{
+    protected static function getFacadeAccessor(): string
+    {
+        return 'notifier';
+    }
+}