populate the pubspec repository fields (#1586)

Author: devoncarew

dwds/pubspec.yaml

@@ -1,10 +1,10 @@
 name: dwds
 # Every time this changes you need to run `dart run build_runner build`.
 version: 13.1.1-dev
-homepage: https://github.com/dart-lang/webdev/tree/master/dwds
 description: >-
   A service that proxies between the Chrome debug protocol and the Dart VM
   service protocol.
+repository: https://github.com/dart-lang/webdev/tree/master/dwds
 
 environment:
   sdk: ">=2.16.0 <3.0.0"

frontend_server_client/pubspec.yaml

@@ -3,8 +3,7 @@ version: 2.1.2
 description: >-
   Client code to start and interact with the frontend_server compiler from the
   Dart SDK.
-homepage: https://github.com/dart-lang/webdev/tree/master/frontend_server_client
-repository: https://github.com/dart-lang/webdev
+repository: https://github.com/dart-lang/webdev/tree/master/frontend_server_client
 
 environment:
   sdk: ">=2.12.0 <3.0.0"

webdev/pubspec.yaml

@@ -3,10 +3,10 @@ name: webdev
 version: 2.7.9-dev
 # We should not depend on a dev SDK before publishing.
 # publish_to: none
-homepage: https://github.com/dart-lang/webdev
 description: >-
   A CLI for Dart web development. Provides an easy and consistent set of
   features for users and tools to build and deploy web applications with Dart.
+repository: https://github.com/dart-lang/webdev/tree/master/webdev
 
 environment:
   sdk: ">=2.16.0 <3.0.0"