start with deprecating lib/options.dart

Author: szakarias

CHANGELOG.md

@@ -6,7 +6,7 @@
 * Refactor 404 error page to use div instead of p for search form.
 * Require analyzer 8.1.1 APIs.
 * Many internal migrations for analyzer APIs.
-* Remove deprecated public API exports
+* Remove deprecated public export of options.dart
 
 ## 8.3.4
 * The URL for category pages now uses _category name_ instead of

lib/dartdoc.dart

@@ -0,0 +1,16 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/// A documentation generator for Dart.
+@Deprecated('Will be removed in a later version of DartDoc.')
+library;
+
+export 'package:dartdoc/src/dartdoc.dart';
+export 'package:dartdoc/src/dartdoc_options.dart';
+export 'package:dartdoc/src/generator/generator.dart';
+export 'package:dartdoc/src/model/kind.dart';
+export 'package:dartdoc/src/model/package_builder.dart';
+export 'package:dartdoc/src/model/package_graph.dart';
+export 'package:dartdoc/src/package_config_provider.dart';
+export 'package:dartdoc/src/package_meta.dart';