title: Swashbuckle.AspNetCore: how to handle logout
body: <p>I am using Swashbuckle.AspNetCore to apply swagger in our system and use ID4 to authenticate,... It works well. However, we cannot handle logout event to redirect to logout page. I follow it guideline to enable oauth2.</p>
  
  <p>Could you please let me know how to setup to handle logout? Thanks</p>