text: $(document).ready(function() {
  
  let menu = document.querySelectorAll('.wy-menu')[0];
  menu.innerHTML = '<ul><li class="toctree-l1"><a class="reference internal fa fa-arrow-left" href="/"> Back to main project</a></li></ul>' + menu.innerHTML;
  document.querySelectorAll('.icon-home')[0].href='/';
  
  });