deploy neuron-license service to prod

Adds license deployment, service, ingress route (/license), and
Unkey + admin token secrets via ExternalSecret. Image built and
pushed by CI on merge of neuron PR #30.

servers/legion/k8s/neuron-technologies/prod/services.yaml

@@ -1,5 +1,21 @@
 apiVersion: v1
 kind: Service
+metadata:
+  name: neuron-license
+  namespace: neuron-prod
+  labels:
+    app: neuron-license
+spec:
+  selector:
+    app: neuron-license
+  ports:
+    - name: http
+      port: 8082
+      targetPort: 8082
+  type: ClusterIP
+---
+apiVersion: v1
+kind: Service
 metadata:
   name: neuron-mcp
   namespace: neuron-prod