Plugins base (#613)

* wip

* wip

* cleanup

* notification channels

* phpstan

* services

* remove server types

* refactoring

* refactoring

app/Actions/SourceControl/ConnectSourceControl.php

@@ -51,7 +51,7 @@ public static function rules(array $input): array
             ],
             'provider' => [
                 'required',
-                Rule::in(config('core.source_control_providers')),
+                Rule::in(array_keys(config('source-control.providers'))),
             ],
         ];