Update the Readme file

Author: sergepilipchuk

Readme.md

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+
+# WPF Accordion Control - Bind to Hierarchical Data Structure
+
+This example binds <a href="https://docs.devexpress.com/WPF/118347/controls-and-libraries/navigation-controls/accordion-control">Accordion Control</a> to Hierarchical Data Structure.
+
+## Implementation Details
+
+...
+
+## Files to Review
 
 * [MainViewModel.cs](./CS/DXSample/ViewModels/MainViewModel.cs) (VB: [MainViewModel.vb](./VB/DXSample/ViewModels/MainViewModel.vb))
-* **[MainView.xaml](./CS/DXSample/Views/MainView.xaml) (VB: [MainView.xaml](./VB/DXSample/Views/MainView.xaml))**
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-# How to: Bind AccordionControl to Hierarchical Data Structure
+* [MainView.xaml](./CS/DXSample/Views/MainView.xaml) (VB: [MainView.xaml](./VB/DXSample/Views/MainView.xaml))
 
+## Documentation
 
-This example demonstrates how to bind <a href="https://documentation.devexpress.com/WPF/CustomDocument118347.aspx">Accordion Control</a> to Hierarchical Data Structure.
+- [Accordion Control](https://docs.devexpress.com/WPF/118347/controls-and-libraries/navigation-controls/accordion-control)
+- [AccordionItem](https://docs.devexpress.com/WPF/DevExpress.Xpf.Accordion.AccordionItem)
+- [AccordionViewMode](https://docs.devexpress.com/WPF/DevExpress.Xpf.Accordion.AccordionViewMode)
+- [MVVM Framework](https://docs.devexpress.com/WPF/15112/mvvm-framework)
 
-<br/>
+## More Examples
 
+- [WPF MVVM Framework - Use View Models Generated at Compile Time](https://github.com/DevExpress-Examples/wpf-mvvm-framework-view-model-generator)
+- [WPF Dock Layout Manager - Bind the View Model Collection with LayoutAdapters](https://github.com/DevExpress-Examples/wpf-docklayoutmanager-bind-view-model-collection-with-layoutadapters)
+- [WPF Dock Layout Manager - Bind the View Model Collection with IMVVMDockingProperties](https://github.com/DevExpress-Examples/wpf-docklayoutmanager-bind-view-model-collection-with-IMVVMDockingProperties)
+- [WPF Dock Layout Manager - Populate a DockLayoutManager LayoutGroup with the ViewModels Collection](https://github.com/DevExpress-Examples/wpf-docklayoutmanager-display-viewmodels-collection-in-layoutgroup)
+- [Add the Loading Decorator to the Application with the MVVM Structure](https://github.com/DevExpress-Examples/wpf-display-loading-decorator-in-manual-mode-with-mvvm)
+- [WPF Hamburger Menu Control - Navigate Between the MVVM Views](https://github.com/DevExpress-Examples/wpf-hamburger-menu-with-mvvm)
+- [Reporting for WPF - How to Use ViewModel Data as Report Parameters in a WPF MVVM Application](https://github.com/DevExpress-Examples/reporting-wpf-mvvm-viewmodel-data-to-report)
+- [Reporting for WPF - How to Use the DocumentPreviewControl in a WPF MVVM Application to Preview a Report](https://github.com/DevExpress-Examples/reporting-wpf-mvvm-show-report-document-preview)
 
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