refactor(core): shared plugin base layer, hardening, CI matrix - #2

refactor(core): shared plugin base layer, hardening, CI matrix#2

sgarcese wants to merge 18 commits into

CityOfBoston:mainCityOfBoston/OpenContext:mainfrom

sgarcese:upstream/core-refactorsgarcese/OpenContext:upstream/core-refactorCopy head branch name to clipboard