Improve project description (nginx#96)

Add small improvements to the description, consistent with the project
description here https://gateway-api.sigs.k8s.io/implementations/#nginx-kubernetes-gateway

Author: miledxz

README.md

@@ -2,9 +2,7 @@
 
 # NGINX Kubernetes Gateway
 
-NGINX Kubernetes Gateway is an open source project that provides an implementation of the Kubernetes [Gateway API](https://gateway-api.sigs.k8s.io/) using NGINX as the data plane. 
-The goal of this project is to implement the core Gateway APIs -- `Gateway`, `GatewayClass`, `HTTPRoute`, `TCPRoute`, `TLSRoute` and `UDPRoute` -- in order to configure an HTTP Load Balancer for applications running on Kubernetes.
-NGINX Kubernetes Gateway is currently under development and supports a subset of the Gateway API.
+NGINX Kubernetes Gateway is an open-source project that provides an implementation of the [Gateway API](https://gateway-api.sigs.k8s.io/) using [NGINX](https://nginx.org/) as the data plane. The goal of this project is to implement the core Gateway APIs -- `Gateway`, `GatewayClass`, `HTTPRoute`, `TCPRoute`, `TLSRoute`, and `UDPRoute` -- to configure an HTTP or TCP/UDP load balancer, reverse-proxy, or API gateway for applications running on Kubernetes. NGINX Kubernetes Gateway is currently under development and supports a subset of the Gateway API.
 
 > Warning: This project is actively in development (pre-alpha feature state) and should not be deployed in a production environment.
 > All APIs, SDKs, designs, and packages are subject to change.