[EKS] [Windows]: Add support for kube-reserved and eviction-hard properties for Start-EKSBootstrap.ps1 script

[saiteja313]

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Tell us about your request
What do you want us to build?

• Configuration to pass kube-reserved and eviction-hard properties to Start-EKSBootstrap.ps1 script on windows nodes.
• This feature is similar to following pull request from Linux AMI - Set kubeReserved and evictionHard in the kubelet-config awslabs/amazon-eks-ami#367

Which service(s) is this request for?
EKS

Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard?
What outcome are you trying to achieve, ultimately, and why is it hard/impossible to do right now? What is the impact of not having this problem solved? The more details you can provide, the better we'll be able to understand and solve the problem.

Are you currently working around this issue?
How are you currently solving this problem?

• update C:\ProgramData\kubernetes\kubelet-config.json file prior to kubelet boot up on the worker node.

<--REDACTED-->
"kubeReserved": {
    "cpu": "70m",
    "ephemeral-storage": "1Gi",
    "memory": "442Mi"
  },
<--REDACTED-->

Additional context
Anything else we should know?

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