Updated documentation for segment tree
Updated documentation for segment tree

manish211/interview-1,hackerFarmaan/interview,nadeembhati/interview,chiranjeevjain/interview,saibimajdi/interview,prabasn/interview,kumargauravtiwary/interview,allwinsr/interview,UseOnly/interview,mission-peace/interview,welcomenilesh/interview,Chrisgcy/interview,mission-peace/interview,pankajbhanu/interview,rtkasodariya/interview,onlymilap/interview,cvasani/interview,mdtareque/interview,Shekharrajak/interview,rtkasodariya/interview,Shekharrajak/interview,harshul1610/interview,priyatransbit/interview,sazibislam/codeAlgorithom,aman-iitj/interview,TheKingSlayer/interview,lsingal/interview,rootmonty/interview,sonamsh/interview,chinmayakelkar/interview,mission-peace/interview,saviaga/interview