added test controller & views

src/controllers/TestController.php

+<?php
+
+namespace hrzg\widget\controllers;
+
+class TestController extends \yii\web\Controller
+{
+    public function actionIndex()
+    {
+        return $this->render('index.twig');
+    }
+
+    public function actionWithParam()
+    {
+        return $this->render('index.twig');
+    }
+}

src/views/default/index.php

@@ -57,5 +57,14 @@ use yii\helpers\Html;
 
 <?= Html::a('Online documentation', 'https://git.hrzg.de/hrzg/yii2-widgets2-module', ['class' => 'btn btn-info']) ?>
 
+<?php \insolita\wgadminlte\Box::end() ?>
+
+
+<?php \insolita\wgadminlte\Box::begin() ?>
+
+<?= Html::a('Test page index', ['test/index'], ['class' => 'btn btn-warning']) ?>
+
+<?= Html::a('Test page-1 (with parameter)', ['test/with-param', 'id'=>'page-1'], ['class' => 'btn btn-warning']) ?>
+<?= Html::a('Test page-2 (with parameter)', ['test/with-param', 'id'=>'page-2'], ['class' => 'btn btn-warning']) ?>
 
 <?php \insolita\wgadminlte\Box::end() ?>

src/views/test/index.twig

+{{ use ('hrzg/widget/widgets') }}
+{{ widget_container_widget({id: 'header'}) }}
+
+<div class="container-fluid">
+    {{ widget_container_widget({id: 'container'}) }}
+</div>
\ No newline at end of file