title: How should I write my Google App Engine app.yaml file?
body: <p>I registered a Google App Engine app and I have some files below:</p>
  
  <p>/index.html</p>
  
  <p>/css/index.css</p>
  
  <p>/js/index.js</p>
  
  <p>/feedbacks/index.html</p>
  
  <p>/feedbacks/css/index.css</p>
  
  <p>/feedbacks/js/index.js</p>
  
  <p>How should I write the app.yaml file?</p>
  
  <p>Thank you!</p>