title: Customize devise confirmation email
body: <blockquote>
    <p>Welcome xxx@xxxxx.com! You can confirm your account email through the
    link below: enter code hereConfirm my account</p>
  </blockquote>
  
  <p>I want to edit this message to become like this </p>
  
  <blockquote>
    <p>My project_name
    Hello xxxxx 
    click here to confirm you email</p>
  </blockquote>