feat: add AmazonWebServices-NLB network plugin

[clarklee92]

For game businesses using OKG in AWS EKS clusters, routing traffic directly to Pod ports via network load balancing is the foundation for achieving high-performance real-time service discovery. Using NLB for dynamic port mapping simplifies the forwarding chain and avoids the performance loss caused by Kubernetes kube-proxy load balancing. These features are particularly crucial for handling replica combat-type game servers. For GameServerSets with the network type specified as AmazonWebServices-NLB, the AmazonWebServices-NLB network plugin will schedule an NLB, automatically allocate ports, create listeners and target groups, and associate the target group with Kubernetes services through the TargetGroupBinding CRD. If the cluster is configured with VPC-CNI, the traffic will be automatically forwarded to the Pod's IP address; otherwise, it will be forwarded through ClusterIP. The process is considered successful when the network of the GameServer is in the Ready state.
Details can be found in the README

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[kruise-bot]

Welcome @clarklee92! It looks like this is your first PR to openkruise/kruise-game 🎉

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