Update README.md

Author: UmaMaheswariChandrabose

README.md

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 # Create Master-Details View Using Blazor DataGrid
-A quick start Blazor Server App that helps you to create a master details view using the Blazor DataGrid component of Syncfusion. You will also learn how to use other components like Maps, Scheduler, Child DataGrid and Tab inside the details view of the master DataGrid. 
+A quick start Blazor Server App that helps you to create a master details view using the Blazor DataGrid component of Syncfusion. You will also learn how to use other components like Maps, Scheduler, Child DataGrid and Tab inside the details view of the master DataGrid.
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+![Master-Details Grid View](https://www.syncfusion.com/blogs/wp-content/uploads/2020/04/Master-detail-view-in-Blazor-DataGrid.gif)
 
 ## Project pre-requisites
 Make sure that you have the compatible versions of Visual Studio 2019 and .NET Core SDK 3.1.2 in your machine before starting to work on this project.