ES-975464 - Resolve the ReadMe file length issue in this sample repository#2

SreemonPremkumarM wants to merge 2 commits intomasterSyncfusionExamples/how-to-merge-cells-in-a-row-in-wpf-treegrid:masterfrom

ES-975464SyncfusionExamples/how-to-merge-cells-in-a-row-in-wpf-treegrid:ES-975464Copy head branch name to clipboard