Add logger_flutter screenshots

Author: simc

README.md

@@ -27,6 +27,13 @@ Instead of a string message, you can also pass other objects like `List`, `Map`
 
 ![](https://raw.githubusercontent.com/leisim/logger/master/art/screenshot.png)
 
+## Log Console
+
+If you are creating a Flutter app, you can use the [logger_flutter](#logger-flutter) extension. Shake the phone to show an on device console. 
+
+| ![](https://raw.githubusercontent.com/leisim/logger/master/art/log_console_before.png) | ![](https://raw.githubusercontent.com/leisim/logger/master/art/log_console_light.png) | ![](https://raw.githubusercontent.com/leisim/logger/master/art/log_console_dark.png) |
+|---|---|---|
+
 ## Log level
 
 You can log with different levels: