info.xml: website points to the GitHub repository

The app store shows <website> as the app's homepage; pointing it at the
store page itself made the link go nowhere.

CHANGELOG.md

@@ -7,6 +7,12 @@ the app store accepts a `-beta` suffix, but Nextcloud servers then only offer th
 beta/daily update channel, which would hide the app from most admins. The stability stage is
 instead carried by the app description, the git tag, the release, and this file.
 
+## [Unreleased]
+
+### Changed
+- App store listing: the homepage link points to the GitHub repository instead of back to the
+  app store page itself.
+
 ## [0.9.2-beta.3] - 2026-10-08
 
 Bugfix release.

appinfo/info.xml

@@ -17,7 +17,7 @@ See the README for known limitations and the recovery kit before relying on it.]
         <admin>https://github.com/dillardblom/ng_backup/blob/main/docs/HOWTO.md</admin>
     </documentation>
     <category>tools</category>
-    <website>https://apps.nextcloud.com/apps/ng_backup</website>
+    <website>https://github.com/dillardblom/ng_backup</website>
     <bugs>https://github.com/dillardblom/ng_backup/issues</bugs>
     <repository type="git">https://github.com/dillardblom/ng_backup</repository>
     <screenshot>https://raw.githubusercontent.com/dillardblom/ng_backup/main/screenshots/1-backups.png</screenshot>