refactor: update date

Author: mrholek

src/pug/views/index.pug

@@ -86,7 +86,7 @@ block view
       .d-flex.justify-content-between
         div
           h4.card-title.mb-0 Traffic
-          .small.text-medium-emphasis September  2019
+          .small.text-medium-emphasis January 2021
         .btn-toolbar.d-none.d-md-block(role='toolbar' aria-label='Toolbar with buttons')
           .btn-group.btn-group-toggle.mx-3(data-coreui-toggle='buttons')
             input.btn-check#option1(type='radio', name='options', autocomplete='off')