Merge `package:markdown` (#1208)

- [x] Move and fix workflow files, labeler.yaml, and badges in the
README.md
- [x] Rev the version of the package, so that pub.dev points to the
correct site
- [x] Add a line to the changelog:
```
* Move to `dart-lang/tools` monorepo.
```

- [x] Add the package to the top-level readme of the monorepo:
```
| [markdown](pkgs/markdown/) | A portable Markdown library written in Dart that can parse Markdown into HTML. | [![pub package](https://img.shields.io/pub/v/markdown.svg)](https://pub.dev/packages/markdown) |
```

- [ ] **Important!** Merge the PR with 'Create a merge commit' (enabling
then disabling the `Allow merge commits` admin setting)
- [x] Update the auto-publishing settings on
https://pub.dev/packages/markdown/admin
- [x] Add the following text to https://github.com/dart-lang/markdown/:'

```
> [!IMPORTANT]  
> This repo has moved to https://github.com/dart-lang/tools/tree/main/pkgs/markdown
```

- [ ] Publish using the autopublish workflow
- [ ] Push tags to GitHub using
```git tag --list 'markdown*' | xargs git push origin```

- [x] Close open PRs in dart-lang/markdown with the following message:

```
Closing as the
[dart-lang/markdown](https://github.com/dart-lang/markdown) repository
is merged into the [dart-lang/tools](https://github.com/dart-lang/tools)
monorepo. Please re-open this PR there!
```
      
- [x] Transfer issues by running
```dart run pkgs/repo_manage/bin/report.dart transfer-issues
--source-repo dart-lang/markdown --target-repo dart-lang/tools
--add-label package:markdown --apply-changes```

- [ ] Archive https://github.com/dart-lang/markdown/


---

- [x] I’ve reviewed the contributor guide and applied the relevant
portions to this PR.

<details>
  <summary>Contribution guidelines:</summary><br>

- See our [contributor
guide](https://github.com/dart-lang/.github/blob/main/CONTRIBUTING.md)
for general expectations for PRs.
- Larger or significant changes should be discussed in an issue before
creating a PR.
- Contributions to our repos should follow the [Dart style
guide](https://dart.dev/guides/language/effective-dart) and use `dart
format`.
- Most changes should add an entry to the changelog and may need to [rev
the pubspec package
version](https://github.com/dart-lang/sdk/blob/main/docs/External-Package-Maintenance.md#making-a-change).
- Changes to packages require [corresponding
tests](https://github.com/dart-lang/.github/blob/main/CONTRIBUTING.md#Testing).

Note that many Dart repos have a weekly cadence for reviewing PRs -
please allow for some latency before initial review feedback.
</details>
tree: b2ce928425d3be58faceed72700081ed0c22023d
  1. .github/
  2. pkgs/
  3. .gitignore
  4. CODEOWNERS
  5. CONTRIBUTING.md
  6. LICENSE
  7. README.md
README.md

Overview

This repository is home to tooling related Dart packages. Generally, this means packages published through the tools.dart.dev publisher that don't naturally belong to other topic monorepos (like dart-lang/build, dart-lang/test, or dart-lang/shelf).

Packages

PackageDescriptionIssuesVersion
bazel_workerProtocol and utilities to implement or invoke persistent bazel workers.package issuespub package
benchmark_harnessThe official Dart project benchmark harness.package issuespub package
boolean_selectorA flexible syntax for boolean expressions, based on a simplified version of Dart's expression syntax.package issuespub package
browser_launcherProvides a standardized way to launch web browsers for testing and tools.package issuespub package
cli_configA library to take config values from configuration files, CLI arguments, and environment variables.package issuespub package
cli_utilA library to help in building Dart command-line apps.package issuespub package
clockA fakeable wrapper for dart:core clock APIs.package issuespub package
code_builderA fluent, builder-based library for generating valid Dart code.package issuespub package
coverageCoverage data manipulation and formattingpackage issuespub package
csslibA library for parsing and analyzing CSS (Cascading Style Sheets).package issuespub package
extension_discoveryA convention and utilities for package extension discovery.package issuespub package
fileA pluggable, mockable file system abstraction for Dart.package issuespub package
file_testingTesting utilities for package:file.package issuespub package
graphsGraph algorithms that operate on graphs in any representation.package issuespub package
htmlAPIs for parsing and manipulating HTML content outside the browser.package issuespub package
ioUtilities for the Dart VM Runtime including support for ANSI colors, file copying, and standard exit code values.pub package
json_rpc_2Utilities to write a client or server using the JSON-RPC 2.0 spec.package issuespub package
markdownA portable Markdown library written in Dart that can parse Markdown into HTML.pub package
mimeUtilities for handling media (MIME) types, including determining a type from a file extension and file contents.package issuespub package
oauth2A client library for authenticating with a remote service via OAuth2 on behalf of a user, and making authorized HTTP requests with the user's OAuth2 credentials.package issuespub package
package_configSupport for reading and writing Dart Package Configuration files.package issuespub package
poolManage a finite pool of resources. Useful for controlling concurrent file system or network requests.package issuespub package
pub_semverVersions and version constraints implementing pub's versioning policy. This is very similar to vanilla semver, with a few corner cases.package issuespub package
pubspec_parseSimple package for parsing pubspec.yaml files with a type-safe API and rich error reporting.package issuespub package
source_map_stack_traceA package for applying source maps to stack traces.package issuespub package
source_mapsA library to programmatically manipulate source map files.package issuespub package
source_spanProvides a standard representation for source code locations and spans.package issuespub package
sseProvides client and server functionality for setting up bi-directional communication through Server Sent Events (SSE) and corresponding POST requests.package issuespub package
stack_traceA package for manipulating stack traces and printing them readably.package issuespub package
stream_channelAn abstraction for two-way communication channels based on the Dart Stream class.package issuespub package
stream_transformA collection of utilities to transform and manipulate streams.package issuespub package
term_glyphUseful Unicode glyphs and ASCII substitutes.package issuespub package
test_reflective_loaderSupport for discovering tests and test suites using reflection.package issuespub package
timingA simple package for tracking the performance of synchronous and asynchronous actions.package issuespub package
unified_analyticsA package for logging analytics for all Dart and Flutter related tooling to Google Analytics.package issuespub package
watcherMonitor directories and send notifications when the contents change.package issuespub package
yamlA parser for YAML, a human-friendly data serialization standardpackage issuespub package
yaml_editA library for YAML manipulation with comment and whitespace preservation.package issuespub package

Publishing automation

For information about our publishing automation and release process, see https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

For additional information about contributing, see our contributing page.