Update and rename WPF_WebView2CompositionControl to WPF_WebView2CompositionControl.md

Author: champnic

specs/WPF_WebView2CompositionControl specs/WPF_WebView2CompositionControl.mdspecs/WPF_WebView2CompositionControl renamed to specs/WPF_WebView2CompositionControl.md

@@ -44,6 +44,7 @@ If you were to instead do this with the regular WebView2 control, the Label woul
         </Grid>
     </DockPanel>
 ```
+![image](https://github.com/user-attachments/assets/023ad943-dca5-4f5e-a3f4-52258b35a6cd)
 
 
 # API Details