Add expense-tracker Application

Co-Authored-By: Claude Sonnet 5 <[email protected]>

README.md

@@ -3,7 +3,8 @@
 App-of-Apps Helm chart. Renders `argoproj.io/v1alpha1 Application` resources
 for every entry configured under `applications` in [`values.yaml`](values.yaml),
 including the [`valheim-gitops`](https://git.smokyzone.de/SmokyZone/valheim-gitops)
-stack.
+and [`expense_tracker-gitops`](https://git.smokyzone.de/SmokyZone/expense_tracker-gitops)
+stacks.
 
 Because this repository *is* a Helm chart, it can be registered in ArgoCD as its
 own Application (Helm source), which then manages all child Applications declared
@@ -22,8 +23,8 @@ in `values.yaml`.
    This registers `apps-in-apps` itself as an ArgoCD Application using this
    git repo as a Helm chart source, with automated sync/prune/self-heal.
 3. ArgoCD renders `templates/application.yaml`, which creates one child
-   Application per entry in `applications` (currently: `valheim`, pointing at
-   the `valheim-gitops` chart).
+   Application per entry in `applications` (currently: `valheim`, `expense-tracker`,
+   plus the platform apps).
 
 ## Adding another app