add source code and readme

manifests/cluster/flux-system/authentik.yaml

@@ -0,0 +1,22 @@
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: authentik
+  namespace: flux-system
+spec:
+  dependsOn:
+  - name: infrastructure-postgresql
+  - name: infrastructure-redis
+  interval: 5m
+  path: ./manifests/infrastructure/authentik
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  timeout: 10m
+  wait: true 
+  decryption:
+    provider: sops
+    secretRef:
+      name: sops-gpg