add translateions

backend/views/site/login.php

@@ -7,13 +7,13 @@
 use yii\helpers\Html;
 use yii\bootstrap\ActiveForm;
 
-$this->title = 'Login';
+$this->title =   Yii::t('common/site' , 'Login');
 $this->params['breadcrumbs'][] = $this->title;
 ?>
 <div class="site-login">
     <h1><?= Html::encode($this->title) ?></h1>
 
-    <p>Please fill out the following fields to login:</p>
+    <p><?php echo Yii::t('common/site' , 'Please fill out the following fields to login:') ?> </p>
 
     <div class="row">
         <div class="col-lg-5">
@@ -26,7 +26,7 @@ $this->params['breadcrumbs'][] = $this->title;
                 <?= $form->field($model, 'rememberMe')->checkbox() ?>
 
                 <div class="form-group">
-                    <?= Html::submitButton('Login', ['class' => 'btn btn-primary', 'name' => 'login-button']) ?>
+                    <?= Html::submitButton( Yii::t('common/site' ,'Login'), ['class' => 'btn btn-primary', 'name' => 'login-button']) ?>
                 </div>
 
             <?php ActiveForm::end(); ?>