run.pl
 my_lib.conf
 +templates
     common_js.html.ep
     invtot.html.ep
     libmap.html.ep
     +layouts
        default.html.ep
  +public
      index.html
      some .js files
  +lib
     MyLib.pm
     +MyLib
      Invtot.pm
         +Controller
              Invtot.pm