chore(docs): regenerate man page, HTML docs, and wiki

docs/html/13-9-viewing-this-manual.html

@@ -522,7 +522,13 @@ xdg-mime) to find the real browser binary, then falls back through known
 browser binaries (firefox, chromium, vivaldi, etc.), and finally
 xdg-open as a last resort. Set $fish_help_browser or $BROWSER to
 override.</p>
-<h2 data-number="13.5" id="jumping-to-a-section">Jumping to a
+<h2 data-number="13.5" id="as-a-wiki">As a wiki</h2>
+<p>The generated Markdown wiki lives in docs/wiki/. index.md provides
+the project overview and a full table of contents. Each section page has
+a navigation bar at the top linking to every other section.</p>
+<p>The wiki is auto-generated from this file by the CI pipeline on every
+push to main that changes docs/fish-config.md.</p>
+<h2 data-number="13.6" id="jumping-to-a-section">Jumping to a
 section</h2>
 <pre><code>help config keybindings
 help config abbreviations

docs/html/index.html

@@ -798,6 +798,8 @@ id="toc-with-bat">With bat</a></li>
 id="toc-as-a-man-page">As a man page</a></li>
 <li><a href="13-9-viewing-this-manual.html#in-the-browser-html"
 id="toc-in-the-browser-html">In the browser (HTML)</a></li>
+<li><a href="13-9-viewing-this-manual.html#as-a-wiki"
+id="toc-as-a-wiki">As a wiki</a></li>
 <li><a href="13-9-viewing-this-manual.html#jumping-to-a-section"
 id="toc-jumping-to-a-section">Jumping to a section</a></li>
 </ul></li>