Add NYISO ancillary data#403

alexhyunminlee wants to merge 8 commits intomainswitchbox-data/rate-design-platform:mainfrom

396-create-8760s-of-ancillary-cost-data-for-nyswitchbox-data/rate-design-platform:396-create-8760s-of-ancillary-cost-data-for-nyCopy head branch name to clipboard