default images added

app/Nova/Lecturer.php

@@ -7,6 +7,7 @@ use Illuminate\Http\Request;
 use Laravel\Nova\Fields\BelongsTo;
 use Laravel\Nova\Fields\Boolean;
 use Laravel\Nova\Fields\Field;
+use Laravel\Nova\Fields\ID;
 use Laravel\Nova\Fields\Text;
 use Laravel\Nova\Http\Requests\NovaRequest;
 
@@ -52,9 +53,11 @@ class Lecturer extends Resource
     public function fields(Request $request)
     {
         return [
+            ID::make()
+              ->sortable(),
+
             Images::make('Avatar', 'avatar') // second parameter is the media collection name
-                  ->conversionOnIndexView('thumb') // conversion used to display the image
-                  ->rules('required'), // validation rules
+                  ->conversionOnIndexView('thumb'), // conversion used to display the image
 
             Text::make('Name')
                 ->rules('required', 'string'),