add copyright to db/ido/mod.rs

src/db/ido/mod.rs

@@ -1,3 +1,8 @@
+// Copyright (C) 2024-2026 Whiterun LLC
+//
+// This software is licensed under the GNU Affero General Public License (AGPL), version 3.0 or later.
+// A copy of the license can be found in the LICENSE file or at https://www.gnu.org/licenses/agpl-3.0.html
+
 #![allow(non_snake_case)]
 use anyhow::Result;
 use log::{info,warn,debug};