add spaces between list tags

packages/app/src/components/Navbar/GrowiNavbar.jsx

@@ -31,12 +31,14 @@ class GrowiNavbar extends React.Component {
         <li>
           <InAppNotificationDropdown />
         </li>
+
         <li className="nav-item d-none d-md-block">
           <button className="px-md-2 nav-link btn-create-page border-0 bg-transparent" type="button" onClick={navigationContainer.openPageCreateModal}>
             <i className="icon-pencil mr-2"></i>
             <span className="d-none d-lg-block">{ t('New') }</span>
           </button>
         </li>
+
         <li className="grw-personal-dropdown nav-item dropdown dropdown-toggle dropdown-toggle-no-caret">
           <PersonalDropdown />
         </li>