Update README.md and add THIRD-PARTY-LICENSES.txt.

Signed-off-by: Erdem Meydanli <meydanli@amazon.com>

Author: meerd

README.md

@@ -1,13 +1,14 @@
 # Introduction
 
-This device plugin enables the use of [Nitro Enclaves](https://aws.amazon.com/ec2/nitro/nitro-enclaves/)
-in your [EKS](https://aws.amazon.com/eks/) cluster.
+This [Kubernetes](https://kubernetes.io/) [device plugin](https://kubernetes.io/docs/concepts/extend-kubernetes/compute-storage-net/device-plugins/) gives your pods and containers ability to access [Nitro Enclaves](https://aws.amazon.com/ec2/nitro/nitro-enclaves/) [device driver](https://docs.kernel.org/virt/ne_overview.html). The device plugin works with both [Amazon EKS](https://aws.amazon.com/eks/) and self-managed Kubernetes nodes.
 
 # Prerequisites
 To utilize this device plugin, you will need:
 
-  - A configured [Kubernetes](https://kubernetes.io/) cluster on [EKS](https://aws.amazon.com/eks/)
-  - An Enclave enabled [EC2](https://aws.amazon.com/ec2/features/) worker node
+  - A configured [Kubernetes](https://kubernetes.io/) cluster.
+  - An Enclave enabled [EC2](https://aws.amazon.com/ec2/features/) node.
+
+To build the plugin, you will need:
   - Docker
 
 # Usage
@@ -31,10 +32,18 @@ Disabling the plugin on a particular node is possible with the command-line belo
 kubectl label node <node-name> aws-nitro-enclaves-k8s-dp-
 ```
 
-# Running Nitro Enclaves in an EKS Cluster
+# Building the Device Plugin
+To build the device plugin from its sources, use:
+
+```
+./scripts/build.sh
+````
+
+After successful execution of the script, the device plugin will be built as a docker image with the name `aws-nitro-enclaves-k8s-device-plugin`.
+
+# Running Nitro Enclaves in a Kubernetes Cluster
 
-There is a hands-on guide available on how to run Nitro Enclaves in EKS clusters. Please check this [link](https://github.com/aws/aws-nitro-enclaves-with-k8s) to
-learn more.
+There is a hands-on guide available on how to run Nitro Enclaves in EKS clusters. Please check this [link](https://github.com/aws/aws-nitro-enclaves-with-k8s) to learn more.
 
 # License
 This project is licensed under the Apache-2.0 License.