feat: migrate one-time and signup tokens to an actor (#1611)

Co-authored-by: Elias Schneider <login@eliasschneider.com>

backend/internal/onetimeaccess/dto.go

@@ -0,0 +1,18 @@
+package onetimeaccess
+
+import (
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+)
+
+type tokenCreateDto struct {
+	TTL utils.JSONDuration `json:"ttl" binding:"ttl"`
+}
+
+type emailAsUnauthenticatedUserDto struct {
+	Email        string `json:"email" binding:"required,email" unorm:"nfc"`
+	RedirectPath string `json:"redirectPath"`
+}
+
+type emailAsAdminDto struct {
+	TTL utils.JSONDuration `json:"ttl" binding:"ttl"`
+}