virtual-vehicle: add simulator for mini cluster

- Uses public dev manufacturer endpoint for cert registration
- Connects to local gateway via websocket
- Generates fake CAN frames and sends telemetry
- Image: localhost:32000/virtual-vehicle:latest

deploy/overlays/development/services/virtual-vehicle/secret.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: trex
+  namespace: cloud-services
+type: Opaque
+stringData:
+  API_KEY: "349bf86d-7249-4c76-82aa-db56782703f5"