fix link with blank

Author: DavidingPlus

index.html

@@ -13,8 +13,8 @@
 
     <header>
         <h1><i class="fa fa-code"></i> Code Browser</h1>
-        <a href="https://lzx0626.me" class="header-link">Visit My Blog</a>
-        <a href="https://github.com/DavidingPlus/code-browser" class="header-link">GitHub Repo</a>
+        <a href="https://lzx0626.me" class="header-link" target="_blank">Visit My Blog</a>
+        <a href="https://github.com/DavidingPlus/code-browser" class="header-link" target="_blank">GitHub Repo</a>
     </header>
 
     <main id="link-container">