added codecov
added codecov

AALEKH/json,nlohmann/json,kaidokert/json,ruppmatt/json,theodelrieu/json,erichkeane/json,kaidokert/json,whackashoe/json,nlohmann/json,theodelrieu/json,nlohmann/json,silverweed/json,bestwpw/json,Newbrick/json,emvivre/json,Newbrick/json,xdcesc/json,whoshuu/json,kaidokert/json,xzmagic/json,daminetreg/json,stanmihai4/json,hunter-packages/json,stanmihai4/json,nickhen/json,robertmrk/json,whackashoe/json,hunter-packages/json,hunter-packages/json,stanmihai4/json,Cloudage/json,Newbrick/json