How to use external library in yii2

Hello, thank you in advanced. I have read the documentation (http://www.yiiframework.com/doc-2.0/guide-tutorial-yii-integration.html) but I didn’t undertand it. Can you help me to use an external library please? this is:bootstra-table:

I want learn to use it with NPM or Bowel and get it automatically in my YII2 View