Add server listening message for feedback indicating when the server has started
Add server listening message for feedback indicating when the server has started

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