Adding new images to homepage and community page (#5870)

* Adding all files for BlaBlaCar case study

* Adding KubeCon banners to community page and homepage

* Revert "Adding all files for BlaBlaCar case study"

This reverts commit d53523f21411ba28fe59e9d30e1169777e4c84f3.

Removing case study commit from branch

* Update index.html

community/index.html

@@ -7,7 +7,7 @@ cid: community
 <section id="hero" class="light-text">
     <h1>Community</h1>
 </section>
-
+<a href="https://goo.gl/nhbhXw"><img src="/images/KubeCon_NA_Community.png" alt="KubeConNA" width="100%" align="center"></a>
 <section id="mainContent">
     <main>
         <div class="content">
@@ -20,7 +20,7 @@ cid: community
             <p>You can also join Kubernetes all around the world through our
                 <a href="https://www.meetup.com/topics/kubernetes/">Kubernetes Meetup Community</a> and the
                 <a href="https://www.meetup.com/Kubernetes-Cloud-Native-Online-Meetup/">Kubernetes Cloud Native Meetup Community</a>.</p>
-        </div>
+          </div>
         <div class="content">
             <h3>Special Interest Groups (SIGs)</h3>
             <p>Have a special interest in how Kubernetes works with another technology?  See our ever growing