feat: add reloader (#6)

- deploy reloader via helm
- only watch configmaps, secrets are reloaded by vso

Reviewed-on: #6

apps/overlays/au-syd1/reloader-system/kustomization.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ../../../base/reloader-system
+
+helmCharts:
+  - name: reloader
+    repo: https://stakater.github.io/stakater-charts
+    version: "2.2.8"
+    releaseName: stakater/reloader
+    namespace: reloader-system
+    valuesFile: values.yaml