Squashed 'src/resources/extension-subtrees/orange-book/' changes from d39d268a9..9f786e1b4

9f786e1b4 claude: switch from @Local to @Preview for orange-book 0.7.1
c78264443 claude: Add LICENSE, gitignore, and bundled marginalia package

git-subtree-dir: src/resources/extension-subtrees/orange-book
git-subtree-split: 9f786e1b4d512b3ce2f9d517f07aa16227be19be

Author: gordonwoodhull

.gitignore

@@ -0,0 +1,2 @@
+/.quarto/
+**/*.quarto_ipynb

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Posit Software, PBC
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

_extensions/orange-book/typst-gather.toml

@@ -1,4 +1,4 @@
-#import "@local/orange-book:0.7.1": book, part, chapter, appendices
+#import "@preview/orange-book:0.7.1": book, part, chapter, appendices
 
 #show: book.with(
 $if(title)$