Add Apple TV signage docs manifest

apps/fc-signage-appletv/manifest.yaml

@@ -0,0 +1,26 @@
+# Apple TV signage is a sealed tvOS appliance. This ArgoCD app intentionally
+# carries documentation metadata only; no Deployment, Service, or Pod resources
+# are created for the player.
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: fc-signage-appletv-docs
+  namespace: fc-signage
+  labels:
+    app.kubernetes.io/name: fc-signage-appletv
+    app.kubernetes.io/part-of: flowercore-signage
+    flowercore.io/manifest-kind: docs-only
+data:
+  README: |
+    FlowerCore.Signage.Agent.AppleTv is distributed through Apple Developer
+    Enterprise Program or TestFlight, not Kubernetes.
+
+    The app connects outbound to FC.Signage.Web:
+    - SignalR: https://signage.iamworkin.lan/hub/signage
+    - Polling fallback: GET /api/v1/nodes/{nodeId}/state
+    - Enrollment: POST /api/v1/nodes/{nodeId}/enroll
+    - Heartbeat: POST /api/v1/nodes/{nodeId}/heartbeat
+
+    This placeholder gives ArgoCD and inventory dashboards a first-class
+    Apple TV signage app entry without creating runtime pods.