update stub file and change default model load on repository.stub

Author: mckenziearts

src/Console/Stubs/helper.stub

@@ -10,4 +10,4 @@ namespace DummyNamespace;
 class DummyClassHelper
 {
 
-}
+}

src/Console/Stubs/repository.stub

@@ -7,7 +7,7 @@
 
 namespace DummyNamespace;
 
-use App\DummyClass;
+use App\Models\DummyClass;
 
 class DummyClassRepository
 {
@@ -34,4 +34,4 @@ class DummyClassRepository
     {
         return $this->model->newInstance();
     }
-}
+}