Add console warn for the extsting classes

src/Generators/ModelFactoryGenerator.php

@@ -16,6 +16,7 @@ class ModelFactoryGenerator extends BaseGenerator
         $modelFactoryClassPath = $modelFactoryPath.'/'.$this->modelNames['model_name'].'Factory.php';
 
         if ($this->files->exists($modelFactoryClassPath)) {
+            $this->command->warn('Use the existing '.$this->modelNames['model_name'].' model factory.');
             return;
         }
 

src/Generators/ModelGenerator.php

@@ -17,6 +17,7 @@ class ModelGenerator extends BaseGenerator
         $modelClassPath = $modelDirectory.'/'.$this->modelNames['model_name'].'.php';
 
         if ($this->files->exists($modelClassPath)) {
+            $this->command->warn('Use the existing '.$this->modelNames['model_name'].' model.');
             return;
         }
 

src/Generators/ModelPolicyGenerator.php

@@ -20,6 +20,7 @@ class ModelPolicyGenerator extends BaseGenerator
         $modelPolicyClassPath = $modelPolicyPath.'/'.$this->modelNames['model_name'].'Policy.php';
 
         if ($this->files->exists($modelPolicyClassPath)) {
+            $this->command->warn('Use the existing '.$this->modelNames['model_name'].' model policy.');
             return;
         }