docs: add copyright

packages/camera/camera/example/pubspec.yaml

@@ -15,9 +15,9 @@ dependencies:
     # the parent directory to use the current plugin's version.
     path: ../
 
-  # Temporarily include the web implementation of a camera plugin
+  # Temporarily include a web implementation of the camera plugin
   # as it is not yet integrated into the official package.
-  # TODO(bselwe): Remove when camera_web is integrated into the camera package.
+  # TODO(bselwe): Remove when camera_web is integrated into the camera plugin.
   camera_web:
     path: ../../camera_web/
 

packages/camera/camera_web/lib/src/camera_settings.dart

@@ -1,3 +1,7 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:html' as html;
 
 import 'package:camera_platform_interface/camera_platform_interface.dart';

packages/camera/camera_web/lib/src/types/media_device_kind.dart

@@ -1,3 +1,7 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 /// A kind of a media device.
 ///
 /// See: https://developer.mozilla.org/en-US/docs/Web/API/MediaDeviceInfo/kind