feat(magiclink) prepare magic link support (login via email)

imortant on security side: magic link  will be enabled only for users who don't have password nor OIDC

src/interfaces/api/handlers/mod.rs

@@ -13,6 +13,7 @@ pub mod file_handler;
 pub mod folder_handler;
 pub mod grant_handler;
 pub mod i18n_handler;
+pub mod magic_link_handler;
 pub mod music_handler;
 pub mod photos_handler;
 pub mod recent_handler;