fix license headers

Author: ktoso

Sources/BaggageLogging/BaggageContextLogging.swift

@@ -1,3 +1,16 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift Baggage Context open source project
+//
+// Copyright (c) 2020 Moritz Lang and the Swift Baggage Context project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
 import Baggage
 import Logging
 

Sources/BaggageLogging/Logger+BaggageContext.swift

@@ -1,3 +1,16 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift Baggage Context open source project
+//
+// Copyright (c) 2020 Moritz Lang and the Swift Baggage Context project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
 import Baggage
 import Logging
 

Tests/BaggageLoggingTests/BaggageContextLoggingTests.swift

@@ -1,3 +1,16 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift Baggage Context open source project
+//
+// Copyright (c) 2020 Moritz Lang and the Swift Baggage Context project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
 import Baggage
 import BaggageHolder // TODO: fixme terrible name
 import Logging

Tests/BaggageLoggingTests/TestLogger.swift

@@ -1,3 +1,16 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift Baggage Context open source project
+//
+// Copyright (c) 2020 Moritz Lang and the Swift Baggage Context project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
 //===----------------------------------------------------------------------===//
 //
 // This source file is part of the Swift Logging API open source project
@@ -11,6 +24,7 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 //===----------------------------------------------------------------------===//
+
 import Foundation
 @testable import Logging
 import XCTest