Revert "add RedirectServlet"

This reverts commit a1f7ede0c28e0f2543d5a6cb66f80109d3a4125b.
Revert "Revert "add RedirectServlet""

This reverts commit c1353baef53c2b0b0b75bf0436eef325752a1682.
Revert "add RedirectServlet"

This reverts commit a1f7ede0c28e0f2543d5a6cb66f80109d3a4125b.
add code
rebuild project
rebuild project
change css, html, fonts and add index