* 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
* Update UI to ask for URL for Gitlab as provider.
* Create state for each source control in factory.
* Save url for SourceControl when given.
* Make Gitlab dynamically use correct URL (custom or default)
* Update SourceControlsTest to check for custom url when given.
* Style fixes.
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Co-authored-by: Saeed Vaziry <61919774+saeedvaziry@users.noreply.github.com>