Adds @birkir to contributors on about us route.

Author: ctrlplusb

shared/components/DemoApp/AsyncAboutRoute/AboutRoute.js

@@ -10,6 +10,10 @@ const contributors = [
     name: 'Benjamin Kniffler',
     url: 'https://github.com/bkniffler',
   },
+  {
+    name: 'Birkir Rafn Guðjónsson',
+    url: 'https://github.com/birkir',
+  },
   {
     name: 'Carson Perrotti',
     url: 'https://github.com/carsonperrotti',

shared/components/DemoApp/AsyncAboutRoute/__tests__/__snapshots__/AboutRoute.test.js.snap

@@ -43,6 +43,15 @@ exports[`<AboutRoute /> renders 1`] = `
         Benjamin Kniffler
       </a>
     </li>
+    <li>
+      <a
+        href="https://github.com/birkir"
+        rel="noopener noreferrer"
+        target="_blank"
+      >
+        Birkir Rafn Guðjónsson
+      </a>
+    </li>
     <li>
       <a
         href="https://github.com/carsonperrotti"