Release 0.4.8 with Android file imports

MauiProgram.cs

@@ -26,6 +26,7 @@ public static class MauiProgram
         builder.Services.AddSingleton<MapExportService>();
         builder.Services.AddSingleton<CloudSyncService>();
         builder.Services.AddSingleton<AppUpdateService>();
+        builder.Services.AddSingleton(IncomingFileService.Shared);
 
 #if DEBUG
         builder.Services.AddBlazorWebViewDeveloperTools();