REFACTOR(repo): move vault/ to manifests/

- Move ExternalSecret file from vault/ to manifests/secret.yaml
- Update kustomization.yaml references
- Remove vault/ folder

Apps: authelia

authelia/manifests/secret.yaml

@@ -0,0 +1,59 @@
+apiVersion: external-secrets.io/v1
+kind: ExternalSecret
+metadata:
+  name: authelia-secrets
+  namespace: authelia
+spec:
+  refreshInterval: 1h
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: vault-backend
+  target:
+    name: authelia-secrets
+    creationPolicy: Owner
+  data:
+    # Storage password (PostgreSQL)
+    - secretKey: storage.postgres.password.txt
+      remoteRef:
+        key: databases/postgresql
+        property: PASSWORD
+    # Session encryption key
+    - secretKey: session.encryption.key
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: SESSION_SECRET
+    # Storage encryption key
+    - secretKey: storage.encryption.key
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: STORAGE_ENCRYPTION_KEY
+    # JWT HMAC key for identity validation (password reset)
+    - secretKey: identity_validation.reset_password.jwt.hmac.key
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: JWT_HMAC_KEY
+    # OIDC HMAC key
+    - secretKey: identity_providers.oidc.hmac.key
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: OIDC_HMAC_SECRET
+    # OIDC JWKS private key
+    - secretKey: identity_providers.oidc.jwks.key
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: OIDC_JWKS_PRIVATE_KEY
+    # Headlamp OIDC client secret
+    - secretKey: HEADLAMP_CLIENT_SECRET
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: HEADLAMP_CLIENT_SECRET
+    # Vault OIDC client secret
+    - secretKey: VAULT_CLIENT_SECRET
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: VAULT_CLIENT_SECRET
+    # Immich OIDC client secret
+    - secretKey: IMMICH_CLIENT_SECRET
+      remoteRef:
+        key: cluster-infrastructure/authelia
+        property: IMMICH_CLIENT_SECRET