Add missing copyright notices

Signed-off-by: Ryan Bottriell <[email protected]>

crates/spk-workspace/src/error.rs

@@ -1,3 +1,7 @@
+// Copyright (c) Contributors to the SPK project.
+// SPDX-License-Identifier: Apache-2.0
+// https://github.com/spkenv/spk
+
 use std::path::PathBuf;
 
 #[derive(thiserror::Error, miette::Diagnostic, Debug)]

crates/spk-workspace/src/file.rs

@@ -1,3 +1,7 @@
+// Copyright (c) Contributors to the SPK project.
+// SPDX-License-Identifier: Apache-2.0
+// https://github.com/spkenv/spk
+
 use std::path::Path;
 
 use serde::{Deserialize, Serialize};

crates/spk-workspace/src/file_test.rs

@@ -1,3 +1,7 @@
+// Copyright (c) Contributors to the SPK project.
+// SPDX-License-Identifier: Apache-2.0
+// https://github.com/spkenv/spk
+
 use rstest::{fixture, rstest};
 
 use super::WorkspaceFile;

crates/spk-workspace/src/lib.rs

@@ -1,4 +1,9 @@
+// Copyright (c) Contributors to the SPK project.
+// SPDX-License-Identifier: Apache-2.0
+// https://github.com/spkenv/spk
+
 pub mod error;
 mod file;
+mod workspace;
 
 pub use file::WorkspaceFile;