[DO-1431] deploy ArgoCD (!6)

DO-1431

Co-authored-by: denis.patrakeev <denis.patrakeev@avroid.tech>
Reviewed-on: https://git.avroid.tech/K8s/k8s-configs/pulls/6

clusters/k8s-avroid-office.prod.local/namespaces/argocd/argocd-namespace.yaml

@@ -0,0 +1,10 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: argocd
+  labels:
+    name: argocd
+    app.kubernetes.io/managed-by: manual
+  annotations:
+    scheduler.alpha.kubernetes.io/node-selector: node-role.kubernetes.io/worker=