[hooks] [code_assets] Update README part 2

[dcharkes]

We missed the big fat header in #2321.

[github-actions]

Package publishing

Package	Version	Status	Publish tag (post-merge)
package:code_assets	0.19.3	ready to publish	code_assets-v0.19.3
package:data_assets	0.19.1	(error) pubspec version (0.19.1) and changelog (0.19.2) don't agree
package:ffi	2.1.4	already published at pub.dev
package:ffigen	19.0.0	already published at pub.dev
package:hooks	0.19.3	ready to publish	hooks-v0.19.3
package:hooks_runner	0.20.1	already published at pub.dev
package:jni	0.14.1	already published at pub.dev
package:jnigen	0.14.2-wip	WIP (no publish necessary)
package:native_doc_dartifier	0.0.1-pre	already published at pub.dev
package:native_toolchain_c	0.16.2	already published at pub.dev
package:objective_c	8.0.0	already published at pub.dev
package:swift2objc	0.0.1-wip	WIP (no publish necessary)
package:swiftgen	0.0.1-wip	WIP (no publish necessary)

Documentation at https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

[goderbauer]

Good catch!

LGTM

[github-actions]

PR Health

API leaks ✔️

The following packages contain symbols visible in the public API, but not exported by the library. Export these symbols or remove them from your publicly visible API.

Package	Leaked API symbols

License Headers ✔️

// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

Files
no missing headers

All source files should start with a license header.

Unrelated files missing license headers

Files
pkgs/jni/lib/src/third_party/generated_bindings.dart
pkgs/native_doc_dartifier/example/native_doc_dartifier_example.dart
pkgs/native_doc_dartifier/lib/native_doc_dartifier.dart
pkgs/native_doc_dartifier/lib/src/native_doc_dartifier_base.dart
pkgs/native_doc_dartifier/test/native_doc_dartifier_test.dart
pkgs/objective_c/lib/src/ns_input_stream.dart

[coveralls]

coverage: 85.285%. remained the same
when pulling 3592d62 on readme-part-two
into b146611 on main.