Added TS there because they share the runtime and the ecosystem in an almost seamless way, TS users use JS libs and vice versa. TS is being forced on JS users i

Added TS there because they share the runtime and the ecosystem in an almost seamless way, TS users use JS libs and vice versa. TS is being forced on JS users in indirect ways, so JS users will need to be able to at least read TS at some point. Surprisingly, npm inc states that 46% of npm users are already using TS.