group training: add admin menu improvements, add build environment files

console/migrations/m210924_220452_add_permission_trainer.php

@@ -0,0 +1,46 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m210924_220452_add_permission_trainer
+ */
+class m210924_220452_add_permission_trainer extends Migration
+{
+
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $am = Yii::$app->authManager;
+        $role = $am->createRole("trainer");
+        $am->add($role);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        echo "m210924_220452_add_permission_trainer cannot be reverted.\n";
+
+        return false;
+    }
+
+    /*
+    // Use up()/down() to run migration code without a transaction.
+    public function up()
+    {
+
+    }
+
+    public function down()
+    {
+        echo "m210924_220452_add_permission_trainer cannot be reverted.\n";
+
+        return false;
+    }
+    */
+}