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

---------

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

internal/api/ui/login/static/i18n/es.yaml

@@ -354,6 +354,8 @@ Footer:
   Help: Ayuda
   SupportEmail: Email de soporte
 
+SignIn: Iniciar sesión con {{.Provider}}
+
 Errors:
   Internal: Se produjo un error interno
   AuthRequest: