Created News & Support pages, added links to main nav

Author: teresahu

public/_includes/_main-nav.jade

@@ -9,4 +9,6 @@ md-toolbar(class="main-nav background-regal l-pinned-top l-layer-5",scroll-y-off
       li.l-left <a class="main-nav-button" href="/docs/ts/latest/" md-button>Docs</a>
       li.l-left <a class="main-nav-button" href="/about/" md-button>About</a>
       li.l-left <a class="main-nav-button" href="/contribute.html" md-button>Contribute</a>
-      li.l-right.feedback-button <md-button ng-click="appCtrl.openFeedback()" class="md-icon-button top-nav-icon" aria-label="Submit feedback on this page"><span class="material-icons">feedback</span></md-button>
+      li.l-left <a class="main-nav-button" href="/support.html" md-button>Support</a>
+      li.l-left <a class="main-nav-button" href="/news.html" md-button>News</a>
+      li.l-right.feedback-button <md-button ng-click="appCtrl.openFeedback()" class="md-icon-button top-nav-icon" aria-label="Submit feedback on this page"><span class="material-icons">feedback</span></md-button>

public/news.jade

@@ -0,0 +1 @@
+include _includes/_util-fns

public/support.jade

@@ -0,0 +1 @@
+include _includes/_util-fns