+ client: added setup guide page and DNS addresses popover

Closes #605

client/src/components/Header/Menu.js

@@ -4,7 +4,6 @@ import PropTypes from 'prop-types';
 import enhanceWithClickOutside from 'react-click-outside';
 import classnames from 'classnames';
 import { Trans, withNamespaces } from 'react-i18next';
-import { REPOSITORY } from '../../helpers/constants';
 
 class Menu extends Component {
     handleClickOutside = () => {
@@ -56,10 +55,10 @@ class Menu extends Component {
                             </NavLink>
                         </li>
                         <li className="nav-item">
-                            <a href={`${REPOSITORY.URL}/wiki`} className="nav-link" target="_blank" rel="noopener noreferrer">
+                            <NavLink to="/guide" href="/guide" className="nav-link">
                                 <svg className="nav-icon" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#66b574" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="10"></circle><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"></path><line x1="12" y1="17" x2="12" y2="17"></line></svg>
-                                <Trans>faq</Trans>
-                            </a>
+                                <Trans>setup_guide</Trans>
+                            </NavLink>
                         </li>
                     </ul>
                 </div>