add missing copyright headers

MikeGoldsmith · MikeGoldsmith · commit 16a195f31bb6 · 2024-04-22T19:58:51.000+01:00
diff --git a/processor/baggage/lib/opentelemetry-processor-baggage.rb b/processor/baggage/lib/opentelemetry-processor-baggage.rb
@@ -1 +1,7 @@
+# frozen_string_literal: true
+
+# Copyright OpenTelemetry Authors
+#
+# SPDX-License-Identifier: Apache-2.0
+
 require_relative 'opentelemetry/processor/baggage/baggage_span_processor'
