Update FileManager screenshot

Author: ThomasFarstrike

index.html

@@ -738,7 +738,8 @@ <h2>Screenshots</h2>
                     <img src="screenshots/light/0.7.2/appstore_connect4.png" alt="MicroPythonOS AppStore">
                 </video>
                 <!-- <img src="screenshots/light/0.0.6/hello_world_install.png" alt="Hello World Install Screenshot"/> -->
-                <img src="screenshots/light/0.0.6/hello_world_sourcecode_no_window.png" alt="Hello World Source Code Screenshot"/>
+                <!-- <img src="screenshots/light/0.0.6/hello_world_sourcecode_no_window.png" alt="Hello World Source Code Screenshot"/> -->
+                <img src="screenshots/light/0.7.2/filemanager_apps.png" alt="MicroPythonOS FileManager"/>
                 <img src="screenshots/light/0.0.6/image_viewer.png" alt="Image Viewer Screenshot"/>
 
                 <!-- <img src="screenshots/light/0.0.6/mpos_appstore_camera.png" alt="Camera App Store Screenshot"/> -->