Update README.md

examples/TensorRT-InferenceServer/README.md

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-Some instructions for running Nvidia's TensorRT Inference Server
+How to Run Nvidia's TensorRT Inference Server
+
+Clone the repo
+
+````git clone https://github.com/NVIDIA/tensorrt-inference-server.git````
+
+Download models
+
+````cd tensorrt-inference-server/docs/examples/````
+````./fetch_models.sh````
+
+Copy models to shared NFS location
+
+````cp -rp model_repository ensemble_model_repository /home/k8sSHARE````
+
+Deploy Prometheus and Grafana
+
+Prometheus collects metrics for viewing in Grafana. Install the prometheus-operator for these components. The serviceMonitorSelectorNilUsesHelmValues flag is needed so that Prometheus can find the inference server metrics in the example release deployed below:
+
+````helm install --name example-metrics --set prometheus.prometheusSpec.serviceMonitorSelectorNilUsesHelmValues=false stable/prometheus-operator````
+
+Setup port-forward to the Grafana service for local access:
+
+````kubectl port-forward service/example-metrics-grafana 8080:80````
+
+Navigate in your browser to localhost:8080 for the Grafana login page. 
+````username=admin password=prom-operator````