Update index.md
Update index.md

Added Configuring a non-privileged Service Account to SC menu now that SC 1.2 is released
pashute/docs.particular.net,SzymonPobiega/docs.particular.net,eclaus/docs.particular.net,yuxuac/docs.particular.net,WojcikMike/docs.particular.net,pedroreys/docs.particular.net