Use double quotes for json in config docs (#2311)
Use double quotes for json in config docs (#2311)


cpojer/jest,ide/jest,mpontus/jest,cpojer/jest,ide/jest,facebook/jest,facebook/jest,skovhus/jest,bookman25/jest,bookman25/jest,facebook/jest,ide/jest,bookman25/jest,skovhus/jest,mpontus/jest,skovhus/jest,mpontus/jest,cpojer/jest