website: add Erin success story

website/src/data/successStories.js

@@ -1,6 +1,28 @@
 import React from 'react';
 
 export default [
+  {
+    name: 'Erin Teo',
+    title: 'Front End Engineer, Facebook',
+    thumbnail: 'https://avatars1.githubusercontent.com/u/5081708?s=460&v=4',
+    quote: (
+      <>
+        Preparing for my first rounds of tech interviews was really daunting - I
+        wasn't sure what to expect and where to start. This handbook together
+        with the{' '}
+        <a
+          href="https://github.com/yangshun/front-end-interview-handbook"
+          target="_blank"
+          rel="noreferrer noopener">
+          Front End Interview Handbook
+        </a>{' '}
+        was a great starting point for me. It clearly describes each part of the
+        process and has tons of awesome tips and resources. With this handbook
+        and lots of practice, I managed to get offers from Facebook, Dropbox and
+        Amazon!
+      </>
+    ),
+  },
   {
     name: 'Siddhesh Karekar',
     title: 'Software Engineer, Google',