add sponsor (#866)

Author: kjaymiller

_layouts/_includes/sponsors.html

@@ -4,5 +4,8 @@ <h3>Corporate Sponsors</h3>
     <article class="sponsor">
       <img src="/assets/images/gnome-foundation-blue.png" alt="GNOME Foundation Logo" style="height: 2rem" />
     </article>
+    <article class="sponsor">
+      <img src="/assets/images/2020_Anaconda_Logo_RGB_Corporate.png" alt="Anaconda Logo" style="height: 2rem" />
+    </article>
   </div>
 </section>