Enable license header check (#203)

Author: adam-fowler

.github/workflows/soundness.yml

@@ -12,4 +12,3 @@ jobs:
       api_breakage_check_container_image: swift:latest
       docs_check_container_image: swift:latest
       unacceptable_language_check_enabled: false  # Valkey commands contain unacceptable language
-      license_header_check_enabled: false  # Temporarily disable

.license_header_template

@@ -1,13 +1,7 @@
-@@===----------------------------------------------------------------------===@@
 @@
-@@ This source file is part of the valkey-swift open source project
-@@
-@@ Copyright (c) YEARS the valkey-swift authors
-@@ Licensed under Apache License v2.0
+@@ This source file is part of the valkey-swift project
+@@ Copyright (c) YEARS the valkey-swift project authors
 @@
 @@ See LICENSE.txt for license information
-@@ See CONTRIBUTORS.txt for the list of valkey-swift project authors
-@@
 @@ SPDX-License-Identifier: Apache-2.0
 @@
-@@===----------------------------------------------------------------------===@@

.licenseignore

@@ -32,5 +32,6 @@ Makefile
 Dockerfile
 **/Dockerfile
 Snippets/*
+Sources/ValkeyConnectionPool/*
 dev/git.commit.template
 .unacceptablelanguageignore

Benchmarks/ValkeyBenchmarks/Shared.swift

@@ -1,17 +1,10 @@
-//===----------------------------------------------------------------------===//
-//
-// This source file is part of the valkey-swift open source project
 //
+// This source file is part of the valkey-swift project
 // Copyright (c) 2025 the valkey-swift project authors
-// Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information
-// See CONTRIBUTORS.txt for the list of valkey-swift project authors
-//
 // SPDX-License-Identifier: Apache-2.0
 //
-//===----------------------------------------------------------------------===//
-
 import Benchmark
 import Foundation
 import NIOCore

Benchmarks/ValkeyBenchmarks/ValkeyBenchmarks.swift

@@ -1,17 +1,10 @@
-//===----------------------------------------------------------------------===//
-//
-// This source file is part of the valkey-swift open source project
 //
+// This source file is part of the valkey-swift project
 // Copyright (c) 2025 the valkey-swift project authors
-// Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information
-// See CONTRIBUTORS.txt for the list of valkey-swift project authors
-//
 // SPDX-License-Identifier: Apache-2.0
 //
-//===----------------------------------------------------------------------===//
-
 import Benchmark
 import Foundation
 import Logging

Benchmarks/ValkeyBenchmarks/ValkeyClientBenchmarks.swift

@@ -1,16 +1,10 @@
-//===----------------------------------------------------------------------===//
-//
-// This source file is part of the valkey-swift open source project
 //
+// This source file is part of the valkey-swift project
 // Copyright (c) 2025 the valkey-swift project authors
-// Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information
-// See CONTRIBUTORS.txt for the list of valkey-swift project authors
-//
 // SPDX-License-Identifier: Apache-2.0
 //
-//===----------------------------------------------------------------------===//
 
 import Benchmark
 import Foundation

Benchmarks/ValkeyBenchmarks/ValkeyConnectionBenchmark.swift

@@ -1,16 +1,10 @@
-//===----------------------------------------------------------------------===//
-//
-// This source file is part of the valkey-swift open source project
 //
+// This source file is part of the valkey-swift project
 // Copyright (c) 2025 the valkey-swift project authors
-// Licensed under Apache License v2.0
 //
 // See LICENSE.txt for license information
-// See CONTRIBUTORS.txt for the list of valkey-swift project authors
-//
 // SPDX-License-Identifier: Apache-2.0
 //
-//===----------------------------------------------------------------------===//
 
 import Benchmark
 import Logging

LICENSE renamed to LICENSE.txt

@@ -1,16 +1,10 @@
-//===----------------------------------------------------------------------===//
 //
 // This source file is part of the valkey-swift project
-//
-// Copyright (c) 2025 the valkey-swift authors
-// Licensed under Apache License v2.0
+// Copyright (c) 2025 the valkey-swift project authors
 //
 // See LICENSE.txt for license information
-// See valkey-swift/CONTRIBUTORS.txt for the list of valkey-swift authors
-//
 // SPDX-License-Identifier: Apache-2.0
 //
-//===----------------------------------------------------------------------===//
 
 import NIOCore
 

Sources/Valkey/Cluster/HashSlot.swift

@@ -1,17 +1,10 @@
-//===----------------------------------------------------------------------===//
 //
 // This source file is part of the valkey-swift project
-//
-// Copyright (c) 2025 the valkey-swift authors
-// Licensed under Apache License v2.0
+// Copyright (c) 2025 the valkey-swift project authors
 //
 // See LICENSE.txt for license information
-// See valkey-swift/CONTRIBUTORS.txt for the list of valkey-swift authors
-//
 // SPDX-License-Identifier: Apache-2.0
 //
-//===----------------------------------------------------------------------===//
-
 /// Represents the mapping of nodes in a Valkey shard, consisting of a primary node and optional replicas.
 ///
 /// In a Valkey cluster, each shard consists of one primary node and zero or more replica nodes.