From MrBeast creating the world’s most expensive reality TV show and Jake Paul’s record-breaking clash with Mike Tyson to the British supergroup Sidemen’s Netflix deal, YouTube’s superstar creators are taking over mainstream television. Last month Netflix launched the second series of Inside, the Sidemen’s reality show that was a hit when the first run of episodes premiered on YouTube. The deep-pocketed streamer has such confidence in the format from the septet – whose members include the content creator, rapper and some-time boxer KSI – that it has already commissioned a US version, which is to be broadcast later this year….