feat: add license headers

src/identity/adapters/output/db/postgres/user_view.rs

@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
 //
 // SPDX-License-Identifier: AGPL-3.0-or-later
+
 use async_trait::async_trait;
 use cqrs_es::persist::GenericQuery;
 use cqrs_es::persist::{PersistenceError, ViewContext, ViewRepository};

src/identity/application/aggregate.rs

@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2024 Aravinth Manivannan <realaravinth@batsense.net>
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
 use async_trait::async_trait;
 use cqrs_es::Aggregate;