message: add navigation bar items
diff: </a>
  <img class="active-header-icon left-neg-24pc" src="../../assets/header-active-icon.png" />
  <ul class="dropdown-content" id="dropdowncommunity">
  - <li><a target="_blank" href="http://join-our-slack.code4socialgood.org/">Chat</a></li>
  - <li><a target="_blank" href="http://forum.code4socialgood.org/">Forum</a></li>
  <li><a id="about" routerLink="/about" routerLinkActive="active">About Us</a></li>
  + <li><a id="about" routerLink="/consultants" routerLinkActive="active">Consultants</a></li>
  + <li><a id="about" routerLink="/partners" routerLinkActive="active">Partners</a></li>
  + <li><a id="about" routerLink="/appreciations" routerLinkActive="active">Appreciations</a></li>
  + <li><a target="_blank" href="http://forum.code4socialgood.org/">Forum</a></li>
  + <li><a target="_blank" href="http://join-our-slack.code4socialgood.org/">Chat</a></li>
  </ul>
  </li>
  <li *ngIf="authSvc.authenticated()" class="nav-link-container"><a class="dropdown-button nav-link" materialize="dropdown" data-beloworigin="true" data-hover="true" data-activates="dropdownproject">
  