add files to project

migrations/m171108_113709_create_notifications_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Handles the creation of table `notifications`.
+ */
+class m171108_113709_create_notifications_table extends Migration
+{
+    /**
+     * @inheritdoc
+     */
+    public function up()
+    {
+        $this->createTable('notifications', [
+            'id'        => $this->primaryKey(),
+            'message'   => $this->string(),
+            'payload'   => $this->text(),
+            'tm_create' => $this->dateTime(),
+            'tm_send'   => $this->dateTime()
+        ]);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function down()
+    {
+        $this->dropTable('notifications');
+    }
+}