Feature request: support spot allocation strategy in instancesDistribution

Feature request: support spot allocation strategy in instancesDistribution: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm setting up spot nodegroups in eksctl using the instancesDistribution block on a NodeGroup. Today I can specify instanceTypes , maxPrice …