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

public/build/manifest.json

@@ -1,6 +1,6 @@
 {
   "resources/css/app.css": {
-    "file": "assets/app-f482c864.css",
+    "file": "assets/app-8b808e33.css",
     "isEntry": true,
     "src": "resources/css/app.css"
   },