Update main picture

Author: dxvladislavvolkov

README.md

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 The DevExtreme Angular Template is an Angular application with a navigation menu and sample views in a responsive layout (see a [live preview](https://devexpress.github.io/devextreme-angular-template)). This application is created with [Angular CLI](https://github.com/angular/angular-cli) and uses [DevExtreme Angular components](https://js.devexpress.com/Documentation/Guide/Angular_Components/DevExtreme_Angular_Components/).
 
-![DevExtreme-Angular-Template](https://user-images.githubusercontent.com/2280467/74529582-7bfb0500-4f39-11ea-830f-b8583c7a5478.png)
+![DevExtreme-Angular-Template](https://user-images.githubusercontent.com/20125410/93987795-ac890400-fd90-11ea-84d0-b7d3e8cc12fa.png)
 
 ## Getting Started