Add MSI package data (#1271)

* Add MSI package data

* Add news

* Rename file

* Fix PR number in news

Author: lrandersson

news/1271-package-briefcase-templates

@@ -0,0 +1,19 @@
+### Enhancements
+
+* <news item>
+
+### Bug fixes
+
+* Include the `briefcase/` batch templates in the packaged distribution so MSI installer builds work from an installed `constructor` (previously `run_installation.bat` and `pre_uninstall.bat` were missing from `site-packages`). (#1271)
+
+### Deprecations
+
+* <news item>
+
+### Docs
+
+* <news item>
+
+### Other
+
+* <news item>

pyproject.toml

@@ -44,6 +44,7 @@ constructor = [
     "nsis/*",
     "osx/*",
     "ttf/*",
+    "briefcase/*",
 ]
 
 [tool.ruff]