add copyright block to source files (#54)

Author: Fahmy-Mohammed

src/attribute.rs

@@ -1,3 +1,8 @@
+///
+/// Copyright 2020 New Relic Corporation. All rights reserved.
+/// SPDX-License-Identifier: Apache-2.0
+///
+
 /// Represents any valid attribute value.
 ///
 /// According to the [specification](https://github.com/newrelic/newrelic-telemetry-sdk-specs/blob/master/capabilities.md),

src/client.rs

@@ -1,3 +1,7 @@
+///
+/// Copyright 2020 New Relic Corporation. All rights reserved.
+/// SPDX-License-Identifier: Apache-2.0
+///
 use crate::span::SpanBatch;
 use anyhow::{anyhow, Result};
 use flate2::write::GzEncoder;

src/lib.rs

@@ -1,3 +1,7 @@
+///
+/// Copyright 2020 New Relic Corporation. All rights reserved.
+/// SPDX-License-Identifier: Apache-2.0
+///
 pub mod attribute;
 
 pub mod span;

src/span.rs

@@ -1,3 +1,7 @@
+///
+/// Copyright 2020 New Relic Corporation. All rights reserved.
+/// SPDX-License-Identifier: Apache-2.0
+///
 use crate::attribute::Value;
 use crate::client::Sendable;
 use anyhow::Result;

tests/blocking.rs

@@ -1,3 +1,7 @@
+///
+/// Copyright 2020 New Relic Corporation. All rights reserved.
+/// SPDX-License-Identifier: Apache-2.0
+///
 #[cfg(feature = "blocking")]
 #[macro_use]
 mod common;

tests/common/mod.rs

@@ -1,3 +1,7 @@
+///
+/// Copyright 2020 New Relic Corporation. All rights reserved.
+/// SPDX-License-Identifier: Apache-2.0
+///
 use flate2::read::GzDecoder;
 use hyper::service::{make_service_fn, service_fn};
 use hyper::{Body, Request, Server};

tests/spans.rs

@@ -1,3 +1,7 @@
+///
+/// Copyright 2020 New Relic Corporation. All rights reserved.
+/// SPDX-License-Identifier: Apache-2.0
+///
 #[cfg(feature = "client")]
 #[macro_use]
 mod common;