Add Blockstream as Enterprise Sponsor

frontend/src/app/components/about/about.component.html

@@ -54,6 +54,10 @@
         <img class="image" src="/resources/profile/unchained.svg" />
         <span>Unchained</span>
       </a>
+      <a href="https://blockstream.com/" target="_blank" title="Blockstream">
+        <img class="image" src="/resources/profile/blockstream.svg" />
+        <span>Blockstream</span>
+      </a>
     </div>
   </div>