chore: add ai-assistant secret placeholder

apps/nxtgauge-ai-assistant/base/kustomization.yaml

@@ -1,5 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - secret.yaml
   - deployment.yaml
   - service.yaml

apps/nxtgauge-ai-assistant/base/secret.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: nxtgauge-ai-assistant-secrets
+  namespace: nxtgauge
+type: Opaque
+stringData:
+  # TODO: set to the shared key expected by callers of the AI assistant.
+  ai-service-key: ""
+