Fix URL in Sphinx and the Cursed Mummy (PC) auto-splitter
Fix URL in Sphinx and the Cursed Mummy (PC) auto-splitter

Looks like the Discord link I originally provided was broken or revoked. Should have checked it twice before submitting, now it should be okay. Sorry about the pull request spam!
Glurmo/LiveSplit,ROMaster2/LiveSplit,ROMaster2/LiveSplit,Glurmo/LiveSplit,LiveSplit/LiveSplit,ROMaster2/LiveSplit,Glurmo/LiveSplit