feat: add apple as idp (#6442)

* feat: manage apple idp

* handle apple idp callback

* add tests for provider

* basic console implementation

* implement flow for login UI and add logos / styling

* tests

* cleanup

* add upload button

* begin i18n

* apple logo positioning, file upload component

* fix add apple instance idp

* add missing apple logos for login

* update to go 1.21

* fix slice compare

* revert permission changes

* concrete error messages

* translate login apple logo -y-2px

* change form parsing

* sign in button

* fix tests

* lint console

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Co-authored-by: peintnermax <max@caos.ch>

internal/static/i18n/bg.yaml

@@ -201,6 +201,10 @@ Errors:
       InvalidCharacter: 'Само буквено-цифрови знаци, . '
     IDP:
       InvalidSearchQuery: Невалидна заявка за търсене
+      ClientIDMissing: Липсва ClientID
+      TeamIDMissing: TeamID липсва
+      KeyIDMissing: Липсва KeyID
+      PrivateKeyMissing: Липсва частен ключ
     LoginPolicy:
       NotFound: Правилата за влизане не са намерени
       Invalid: Правилата за влизане са невалидни