add Notes

console/migrations/m191205_092846_create_note_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Handles the creation of table `{{%notes}}`.
+ */
+class m191205_092846_create_note_table extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $this->createTable('note', [
+            'id' => $this->primaryKey(),
+            'name' => $this->string()->notNull(),
+            'description' => $this->text(),
+            'created_at' => $this->dateTime(),
+            'updated_at' => $this->dateTime(),
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        $this->dropTable('note');
+    }
+}