Start move to unify ID generation

storage-new/models/User.go

@@ -25,6 +25,8 @@ type User struct {
 	// identifier for users and other servers, especially when changing the username
 	// (username != display name) might be a future feature
 	// Same also applies for other types that use a UUID as primary key
+	// TODO: Change this to generate via cuid or uuid, depending on config
+	// Or remove autogeneration alltogether
 	ID string `gorm:"primarykey;default:gen_random_uuid()"`
 	// Username of the user (eg "max" if the full username is @max@example.com)
 	// Assume unchangable (once set by a user) to be kind to other implementations