[pkg] normalize the headers of the pkg/ readmes

Change-Id: Ida2006d0dd2bbb7d441f15e494fd8c929f15a765
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/246680
Commit-Queue: Devon Carew <devoncarew@google.com>
Reviewed-by: Nate Bosch <nbosch@google.com>

pkg/analysis_server_client/README.md

@@ -1,6 +1,7 @@
-# analysis_server_client
+[![pub package](https://img.shields.io/pub/v/analysis_server_client.svg)](https://pub.dev/packages/analysis_server_client)
+[![package publisher](https://img.shields.io/pub/publisher/analysis_server_client.svg)](https://pub.dev/packages/analysis_server_client/publisher)
 
-analysis_server_client is a client wrapper over Analysis Server.
+`package:analysis_server_client` is a client wrapper over the Analysis Server.
 
 ## Overview
 

pkg/analyzer/README.md

@@ -1,4 +1,5 @@
-# Analyzer for Dart
+[![pub package](https://img.shields.io/pub/v/analyzer.svg)](https://pub.dev/packages/analyzer)
+[![package publisher](https://img.shields.io/pub/publisher/analyzer.svg)](https://pub.dev/packages/analyzer/publisher)
 
 This package provides a library that performs static analysis
 of Dart code. It is useful for tool integration and embedding.

pkg/analyzer_plugin/README.md

@@ -1,4 +1,5 @@
-# analyzer_plugin
+[![pub package](https://img.shields.io/pub/v/analyzer_plugin.svg)](https://pub.dev/packages/analyzer_plugin)
+[![package publisher](https://img.shields.io/pub/publisher/analyzer_plugin.svg)](https://pub.dev/packages/analyzer_plugin/publisher)
 
 A framework for building plugins for the analysis server.
 

pkg/dds/README.md

@@ -1,3 +1,6 @@
+[![pub package](https://img.shields.io/pub/v/dds.svg)](https://pub.dev/packages/dds)
+[![package publisher](https://img.shields.io/pub/publisher/dds.svg)](https://pub.dev/packages/dds/publisher)
+
 A package used to spawn the Dart Developer Service (DDS), which is used to communicate with a Dart VM Service instance and provide extended functionality to the core VM Service Protocol.
 
 # Functionality

pkg/dds_service_extensions/README.md

@@ -1,3 +1,6 @@
+[![pub package](https://img.shields.io/pub/v/dds_service_extensions.svg)](https://pub.dev/packages/dds_service_extensions)
+[![package publisher](https://img.shields.io/pub/publisher/dds_service_extensions.svg)](https://pub.dev/packages/dds_service_extensions/publisher)
+
 A package used to expand the `package:vm_service` interface with support for RPCs added in the [Dart Developer Service (DDS) protocol][dds-protocol].
 
 [dds-protocol]: https://github.com/dart-lang/sdk/blob/main/pkg/dds/dds_protocol.md

pkg/js/README.md

@@ -1,3 +1,6 @@
+[![pub package](https://img.shields.io/pub/v/js.svg)](https://pub.dev/packages/js)
+[![package publisher](https://img.shields.io/pub/publisher/js.svg)](https://pub.dev/packages/js/publisher)
+
 Use this package when you want to call JavaScript APIs from Dart code, or vice versa.
 
 This package's main library, `js`, provides annotations and functions

pkg/vm_service/README.md

@@ -1,6 +1,5 @@
-# vm_service
-
 [![pub package](https://img.shields.io/pub/v/vm_service.svg)](https://pub.dev/packages/vm_service)
+[![package publisher](https://img.shields.io/pub/publisher/vm_service.svg)](https://pub.dev/packages/vm_service/publisher)
 
 A library to access the VM Service Protocol.