feat(argocd-apps): Add Argo extensions (#1546)

Signed-off-by: Petr Drastil <petr.drastil@gmail.com>

charts/argocd-apps/templates/extensions.yaml

@@ -0,0 +1,27 @@
+{{- range .Values.extensions }}
+---
+apiVersion: argoproj.io/v1alpha1
+kind: ArgoCDExtension
+metadata:
+  name: {{ .name }}
+  {{- with .namespace }}
+  namespace: {{ . }}
+  {{- end }}
+  finalizers:
+    - extensions-finalizer.argocd.argoproj.io
+  {{- with .additionalLabels }}
+  labels:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .additionalAnnotations }}
+  annotations:
+    {{- range $key, $value := . }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+  {{- end }}
+{{- with .sources }}
+spec:
+  sources:
+    {{- toYaml . | nindent 4 }}
+{{- end }}
+{{- end }}