feat: change email, export my data, delete account (with data anonymization)

internal/infrastructure/mailer/mailRepository.go

@@ -62,6 +62,12 @@ func subjectFor(templateName string, data any) string {
 		return "Verify your RenewCMS account"
 	case "password-reset":
 		return "Reset your RenewCMS password"
+	case "verify-new-email":
+		return "Confirm your new RenewCMS email address"
+	case "email-change-notice":
+		return "Your RenewCMS email address change was requested"
+	case "account-deleted":
+		return "Your RenewCMS account has been deleted"
 	}
 	return defaultSubject
 }