REFACTOR(repo): migrate to Helm chart structure

- Add web-app Helm chart in charts/web-app/
- Replace individual deployment/service/ingress YAML with helm-values
- Update ArgoCD applications to use Helm chart with values files
- Reduces per-app files from 6 to 2 (argocd.yaml + helm-values.yaml)

Apps migrated: jaejadle, jaejadle-dev, joossam, joossam-dev,
jotion, jovies, portfolio, todo

jaejadle-dev/argocd.yaml

@@ -10,7 +10,13 @@ spec:
   sources:
   - repoURL: https://github.com/K3S-HOME/web-apps.git
     targetRevision: main
-    path: jaejadle-dev
+    path: charts/web-app
+    helm:
+      valueFiles:
+      - $values/jaejadle-dev/helm-values.yaml
+  - repoURL: https://github.com/K3S-HOME/web-apps.git
+    targetRevision: main
+    ref: values
   destination:
     server: https://kubernetes.default.svc
     namespace: jaejadle-dev