build: use new source path for the ui and update readme

Author: mmattel

README.md

@@ -1,5 +1,9 @@
 # Desktop App Documentation
 
+**IMPORTANT**
+
+Scince April 2026, this repository requires [Commit Signing](https://docs.github.com/articles/about-gpg) and uses [Conventional Commits](https://www.conventionalcommits.org) for commits and the Pull Request title.
+
 **Table of Contents**
 
 * [Building the Desktop Docs](#building-the-desktop-docs)

site.yml

@@ -14,7 +14,7 @@ ui:
   output_dir: assets
   bundle:
     snapshot: true
-    url: https://minio.owncloud.com/documentation/ui-bundle.zip
+    url: https://github.com/owncloud/docs-ui/releases/download/latest/ui-bundle.zip
 
 output:
   clean: true