Added plans for SN 	modified:   doc/Run1.md
Added plans for SN
	modified:   doc/Run1.md

DarkEnergyScienceCollaboration/Twinkles,LSSTDESC/Twinkles,LSSTDESC/Twinkles,DarkEnergyScienceCollaboration/Twinkles,rbiswas4/Twinkles,rbiswas4/Twinkles