Images not found. (#1365)

Hi,
The images link for `hn.png` and `hn-architecture.png` can be found on `../../images/`.

Author: btrice

src/v2/examples/hackernews.md

@@ -9,7 +9,7 @@ order: 12
 {% raw %}
 <div style="max-width: 600px;">
   <a href="https://github.com/vuejs/vue-hackernews-2.0" target="_blank">
-    <img style="width: 100%;" src="/images/hn.png">
+    <img style="width: 100%;" src="../../images/hn.png">
   </a>
 </div>
 {% endraw %}
@@ -32,4 +32,4 @@ order: 12
 
 ## 结构概览
 
-<img width="973" alt="Hackernew clone architecture overview" src="/images/hn-architecture.png">
+<img width="973" alt="Hackernew clone architecture overview" src="../../images/hn-architecture.png">