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

config/core.php

@@ -13,6 +13,7 @@
 use App\NotificationChannels\Discord;
 use App\NotificationChannels\Email;
 use App\NotificationChannels\Slack;
+use App\NotificationChannels\Telegram;
 use App\ServerProviders\AWS;
 use App\ServerProviders\DigitalOcean;
 use App\ServerProviders\Hetzner;
@@ -343,11 +344,13 @@
         \App\Enums\NotificationChannel::SLACK,
         \App\Enums\NotificationChannel::DISCORD,
         \App\Enums\NotificationChannel::EMAIL,
+        \App\Enums\NotificationChannel::TELEGRAM,
     ],
     'notification_channels_providers_class' => [
         \App\Enums\NotificationChannel::SLACK => Slack::class,
         \App\Enums\NotificationChannel::DISCORD => Discord::class,
         \App\Enums\NotificationChannel::EMAIL => Email::class,
+        \App\Enums\NotificationChannel::TELEGRAM => Telegram::class,
     ],
 
     /*