Add license header

identity-api-rs/src/database/list.rs

@@ -1,3 +1,19 @@
+// Identity. Store your memories and mental belongings
+// Copyright (C) 2024  Sofía Aritz
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 use std::fmt::Display;
 use diesel::{
     backend::Backend, deserialize::{FromSql, FromSqlRow}, serialize::ToSql, sql_types::Text, sqlite::Sqlite