add source code and readme

manifests/cluster/flux-system/applications.yaml

@@ -0,0 +1,28 @@
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: applications
+  namespace: flux-system
+spec:
+  interval: 10m0s
+  path: ./manifests/applications
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  # SOPS decryption configuration
+  decryption:
+    provider: sops
+    secretRef:
+      name: sops-gpg
+  # Applications will start after flux-system is ready (implicit dependency)
+  # Health checks for application readiness
+  # healthChecks:
+  #   - apiVersion: apps/v1
+  #     kind: Deployment
+  #     name: wireguard
+  #     namespace: wireguard
+  # Timeout for application deployments
+  timeout: 15m0s 
+