adjust size on index

Author: yyx990803

themes/vue/layout/index.ejs

@@ -38,7 +38,7 @@
     <div class="point">
       <h2>Performant</h2>
       <p>
-        19kb min+gzip Runtime<br>
+        20kb min+gzip Runtime<br>
         Blazing Fast Virtual DOM<br>
         Minimal Optimization Efforts
       </p>