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/Notifications/SiteInstallationFailed.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Models\Site;
+use Illuminate\Notifications\Messages\MailMessage;
+
+class SiteInstallationFailed extends AbstractNotification
+{
+    public function __construct(protected Site $site)
+    {
+    }
+
+    public function rawText(): string
+    {
+        return __("Installation failed for site [:site] \nCheck your server's logs \n:logs", [
+            'site' => $this->site->domain,
+            'logs' => url('/servers/'.$this->site->server_id.'/logs'),
+        ]);
+    }
+
+    public function toMail(object $notifiable): MailMessage
+    {
+        return (new MailMessage)
+            ->subject(__('Site installation failed!'))
+            ->line('Your site\'s ['.$this->site->domain.'] installation has been failed.')
+            ->line('Check your server logs')
+            ->action('View Logs', url('/servers/'.$this->site->server_id.'/logs'));
+    }
+}