title: rewrite html to / page, one page over another page like example/abc/xyz/
body: <p>Hello I have to web pages with .html extension in my website as an example are like this</p>
  
  <p>example.com/abc.html
  example.com/xyz.html</p>
  
  <p>I want them to be like this the first page should change like this
  example.com/abc/</p>
  
  <p>while the second page should change like this</p>
  
  <p>example.com/abc/xyz/</p>
  
  <p>can that be possible?</p>
  
  <p>I have done nothing as I don't know how to do it</p>