configure stub indentation

stubs/rule.stub

@@ -6,35 +6,35 @@ use Illuminate\Contracts\Validation\{{ ruleType }};
 
 class {{ class }} implements {{ ruleType }}
 {
-    /**
-     * Create a new rule instance.
-     *
-     * @return void
-     */
-    public function __construct()
-    {
-        //
-    }
-
-    /**
-     * Determine if the validation rule passes.
-     *
-     * @param  string  $attribute
-     * @param  mixed  $value
-     * @return bool
-     */
-    public function passes($attribute, $value)
-    {
-        //
-    }
-
-    /**
-     * Get the validation error message.
-     *
-     * @return string
-     */
-    public function message()
-    {
-        return 'The validation error message.';
-    }
+  /**
+  * Create a new rule instance.
+  *
+  * @return void
+  */
+  public function __construct()
+  {
+    //
+  }
+  
+  /**
+  * Determine if the validation rule passes.
+  *
+  * @param  string  $attribute
+  * @param  mixed  $value
+  * @return bool
+  */
+  public function passes($attribute, $value)
+  {
+    //
+  }
+  
+  /**
+  * Get the validation error message.
+  *
+  * @return string
+  */
+  public function message()
+  {
+    return 'The validation error message.';
+  }
 }