FEATURE #2520: add commands for creating new migration and running migrations in modules

app/CMS/Modules/Stubs/NewModule/Entities/$Entity$.stub

@@ -0,0 +1,10 @@
+<?php
+namespace Modules\$ModuleNamespace$\Entities;
+
+use Illuminate\Database\Eloquent\Model;
+
+class $Entity$ extends Model {
+
+	protected $table = 'contents';
+	// ...
+}