[vello_shaders] Add copyright headers

vello_shaders/build.rs

@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 #[path = "src/compile/mod.rs"]
 mod compile;
 #[path = "src/types.rs"]

vello_shaders/src/compile/mod.rs

@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use {
     naga::{
         front::wgsl,

vello_shaders/src/compile/msl.rs

@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use naga::back::msl;
 
 use super::{BindType, ShaderInfo};

vello_shaders/src/compile/permutations.rs

@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use std::collections::HashMap;
 
 #[derive(Debug)]

vello_shaders/src/compile/preprocess.rs

@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use std::{
     collections::{HashMap, HashSet},
     fs,

vello_shaders/src/lib.rs

@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 mod types;
 
 #[cfg(feature = "compile")]

vello_shaders/src/types.rs

@@ -1,3 +1,6 @@
+// Copyright 2023 The Vello authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! Types that are shared between the main crate and build.
 
 /// The type of resource that will be bound to a slot in a shader.