message: refactor(sitemap2): tweaks sitemap template
diff: table {
  width: 100%;
  + border-radius: 8px;
  border-collapse: collapse;
  + overflow: hidden;
  }
  th {
  min-width: 56px;
  padding: 8px;
  - border: 1px solid #ddd;
  background-color: #41b883;
  color: #fff;
  <h1>Sitemap</h1>
  <div id="content">
  <table>
  - <tr style="border-bottom: 1px black solid;">
  + <tbody>
  + <tr>
  <th>URL</th>
  <th>Priority</th>
  <th>Change Frequency</th>
  </td>
  </tr>
  </xsl:for-each>
  + </tbody>
  </table>
  </div>
  <footer>
  