add source code and readme

manifests/cluster/flux-system/cilium.yaml

@@ -0,0 +1,12 @@
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: cilium
+  namespace: flux-system
+spec:
+  interval: 10m0s
+  path: ./manifests/infrastructure/cilium
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system