feat(examples): add jetbrains sponsor to index page

modules/site/src/app/+index/index.component.html

@@ -76,3 +76,17 @@ <h1 class="examples-title seed-title">What is Material Design?</h1>
     </div>
   </div>
 </section>
+
+<md-divider></md-divider>
+
+<section class="examples-intro">
+  <h1 class="examples-title seed-title">Open Source</h1>
+  <p>
+    ng2-material is an open source project sponsored by JetBrains. Most of ng2-material has been built in WebStorm, an
+    excellent IDE for angular2 and Typescript development.
+  </p>
+  <section layout="row" layout-align="space-around center">
+    <a href="https://www.jetbrains.com/" target="_blank"><img src="/images/logo_jetbrains.svg" width="256"></a>
+    <a href="https://www.jetbrains.com/webstorm/" target="_blank"><img src="/images/logo_webstorm.svg" width="256"></a>
+  </section>
+</section>