Add polyfill-service.cmd for Windows platform
Add polyfill-service.cmd for Windows platform

mcshaz/polyfill-service,kdzwinel/polyfill-service,mcshaz/polyfill-service,kdzwinel/polyfill-service,jonathan-fielding/polyfill-service,JakeChampion/polyfill-service,JakeChampion/polyfill-service,jonathan-fielding/polyfill-service,mcshaz/polyfill-service,jonathan-fielding/polyfill-service,kdzwinel/polyfill-service