[go_router] adding go_router (flutter#884)

.cirrus.yml

@@ -48,7 +48,8 @@ task:
       always:
         format_script: ./script/tool_runner.sh format --fail-on-change
         license_script: dart pub global run flutter_plugin_tools license-check
-        analyze_script: ./script/tool_runner.sh analyze --custom-analysis=web_benchmarks/testing/test_app,flutter_lints/example,rfw/example
+        # TODO(chunhtai): Remove go_router custom-analysis https://github.com/flutter/flutter/issues/98711
+        analyze_script: ./script/tool_runner.sh analyze --custom-analysis=go_router,web_benchmarks/testing/test_app,flutter_lints/example,rfw/example
         pubspec_script: ./script/tool_runner.sh pubspec-check
     - name: publishable
       env:

README.md

@@ -41,6 +41,7 @@ These are the available packages in this repository.
 | [flutter\_image](./packages/flutter_image/) | [![pub package](https://img.shields.io/pub/v/flutter_image.svg)](https://pub.dev/packages/flutter_image) |
 | [flutter\_lints](./packages/flutter_lints/) | [![pub package](https://img.shields.io/pub/v/flutter_lints.svg)](https://pub.dev/packages/flutter_lints) |
 | [flutter\_markdown](./packages/flutter_markdown/) | [![pub package](https://img.shields.io/pub/v/flutter_markdown.svg)](https://pub.dev/packages/flutter_markdown) |
+| [go\_router](./packages/go_router/) | [![pub package](https://img.shields.io/pub/v/go_router.svg)](https://pub.dev/packages/go_router) |
 | [multicast\_dns](./packages/multicast_dns/) | [![pub package](https://img.shields.io/pub/v/multicast_dns.svg)](https://pub.dev/packages/multicast_dns) |
 | [palette\_generator](./packages/palette_generator/) | [![pub package](https://img.shields.io/pub/v/palette_generator.svg)](https://pub.dartlang.org/packages/palette_generator) |
 | [pigeon](./packages/pigeon/) | [![pub package](https://img.shields.io/pub/v/pigeon.svg)](https://pub.dev/packages/pigeon) |

packages/go_router/.metadata

@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: b22742018b3edf16c6cadd7b76d9db5e7f9064b5
+  channel: stable
+
+project_type: package

packages/go_router/AUTHORS

@@ -0,0 +1,7 @@
+# Below is a list of people and organizations that have contributed
+# to the Flutter project. Names should be added to the list like so:
+#
+#   Name/Organization <email address>
+
+Google Inc.
+[email protected]