support the spot instance over machine template&deployment

[intelliguy]

아래와 같이 deployment를 정의하여 구성하면 spot 인스턴스로 생성됨

machineDeployment: 
# You can define machineDeployment to use cluster-autoscaler on aws. referce the belows.
 - name: normal
   numberOfAZ: 3
   minSizePerAZ: 1
   maxSizePerAZ: 3
   selector:
     matchLabels:
   machineType: t3.large
   rootVolume:
     size: 20
     type: gp2
   useSpotInstance:  #spotMarketOptions:
     enabled: true
     maxPrice: ''
     # MaxPrice defines the maximum price the user is willing to pay for Spot VM instances

[intelliguy]

이를 테스트 하는 태스크가 포함되어야 합니다.

[github-actions]

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