feat(checker): examples() and spec_files() carry the specification's files

A consumer of the checker crate needs no path into this repository.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HS8WZziDnyxunC23MUxrLp

target/doc/static.files/COPYRIGHT-685a456c.txt

@@ -0,0 +1,72 @@
+# REUSE-IgnoreStart
+
+These documentation pages include resources by third parties. This copyright
+file applies only to those resources. The following third party resources are
+included, and carry their own copyright notices and license terms:
+
+* Fira (FiraSans-Regular.woff2, FiraSans-Medium.woff2,
+        FiraMono-Regular.woff2, FiraMono-Medium.woff2):
+
+    Copyright (c) 2014, Mozilla Foundation https://mozilla.org/
+    with Reserved Font Name < Fira >.
+
+    Copyright (c) 2014, Telefonica S.A.
+
+    Licensed under the SIL Open Font License, Version 1.1.
+    See Fira-LICENSE.txt.
+
+* rustdoc.css, main.js, and playpen.js:
+
+    Copyright 2015 The Rust Developers.
+    Licensed under the Apache License, Version 2.0 (see LICENSE-APACHE.txt) or
+    the MIT license (LICENSE-MIT.txt) at your option.
+
+* normalize.css:
+
+    Copyright (c) Nicolas Gallagher and Jonathan Neal.
+    Licensed under the MIT license (see LICENSE-MIT.txt).
+
+* Source Code Pro (SourceCodePro-Regular.ttf.woff2,
+    SourceCodePro-Semibold.ttf.woff2, SourceCodePro-It.ttf.woff2):
+
+    Copyright 2010, 2012 Adobe Systems Incorporated (http://www.adobe.com/),
+    with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark
+    of Adobe Systems Incorporated in the United States and/or other countries.
+
+    Licensed under the SIL Open Font License, Version 1.1.
+    See SourceCodePro-LICENSE.txt.
+
+* Source Serif 4 (SourceSerif4-Regular.ttf.woff2, SourceSerif4-Bold.ttf.woff2,
+    SourceSerif4-It.ttf.woff2, SourceSerif4-Semibold.ttf.woff2):
+
+    Copyright 2014-2021 Adobe (http://www.adobe.com/), with Reserved Font Name
+    'Source'. All Rights Reserved. Source is a trademark of Adobe in the United
+    States and/or other countries.
+
+    Licensed under the SIL Open Font License, Version 1.1.
+    See SourceSerif4-LICENSE.md.
+
+* Nanum Barun Gothic Font (NanumBarunGothic.woff2)
+
+    Copyright 2010, NAVER Corporation (http://www.nhncorp.com)
+    with Reserved Font Name Nanum, Naver Nanum, NanumGothic, Naver NanumGothic,
+    NanumMyeongjo, Naver NanumMyeongjo, NanumBrush, Naver NanumBrush, NanumPen,
+    Naver NanumPen, Naver NanumGothicEco, NanumGothicEco,
+    Naver NanumMyeongjoEco, NanumMyeongjoEco, Naver NanumGothicLight,
+    NanumGothicLight, NanumBarunGothic, Naver NanumBarunGothic.
+
+    https://hangeul.naver.com/2017/nanum
+    https://github.com/hiun/NanumBarunGothic
+
+    Licensed under the SIL Open Font License, Version 1.1.
+    See NanumBarunGothic-LICENSE.txt.
+
+* Rust logos (rust-logo.svg, favicon.svg, favicon-32x32.png)
+
+    Copyright 2025 Rust Foundation.
+    Licensed under the Creative Commons Attribution license (CC-BY).
+    https://rustfoundation.org/policy/rust-trademark-policy/
+
+This copyright file is intended to be distributed with rustdoc output.
+
+# REUSE-IgnoreEnd