[dart_data_home] Prepare for release

Intended to be published under
https://pub.dev/publishers/tools.dart.dev/packages

Solves all warnings from `dart pub publish --dry-run`.

Change-Id: Ibeae127aaafb8f2ec92a59843f56f48dcf33660e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/498561
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Slava Egorov <vegorov@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>

pkg/dart_data_home/CHANGELOG.md

@@ -0,0 +1,3 @@
+## 0.1.0
+
+* Initial release.

pkg/dart_data_home/LICENSE

@@ -0,0 +1,27 @@
+Copyright 2025, the Dart project authors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of Google LLC nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

pkg/dart_data_home/README.md

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+A package providing a standardized way to access a user-specific data
+directory for Dart and Flutter tooling, defaulting to OS-conventions and
+configurable via the `DART_DATA_HOME` environment variable.
+
+This package also provides utilities for managing pid files for service
+processes.

pkg/dart_data_home/pubspec.yaml

@@ -1,12 +1,11 @@
 name: dart_data_home
-version: 0.1.0-wip
+version: 0.1.0
 description: >-
   A package providing a standardized way to access a user-specific data
-  directory for Dart and Flutter tooling, defaulting to OS-conventions
+  directory for Dart and Flutter tooling, defaulting to OS-conventions and
-  and configurable via the `DART_DATA_HOME` environment variable.
+  configurable via the `DART_DATA_HOME` environment variable.
 
-# This package will be published at some point to be able to use it for Dart and
+repository: https://github.com/dart-lang/sdk/tree/main/pkg/dart_data_home
-# Flutter tooling that does not live in the Dart SDK.
 
 environment:
   sdk: ^3.8.0