fix(main): file name

example/lib/main.dart

@@ -399,7 +399,7 @@ class AppService extends ChangeNotifier {
           final content = nearbyFile.info;
           final downloadsDir = Directory('storage/emulated/0/Download');
           final newFile = await nearbyFile.file.copy(
-            '${downloadsDir.path}/${content.name}',
+            '${downloadsDir.path}/${DateTime.now().microsecondsSinceEpoch}.${content.extension}',
           );
           files.add(newFile);
         }

lib/src/models/nearby_file.dart

@@ -80,6 +80,14 @@ class NearbyFileInfo {
     }
   }
 
+  String get extension {
+    try {
+      return name.split('.').last;
+    } catch (e) {
+      throw NearbyServiceException('Can\'t get extension from $name');
+    }
+  }
+
   @override
   String toString() {
     return 'NearbyFileInfo{path: $path}';