adjust styles

lib/views/admin/index.html

@@ -33,19 +33,19 @@
       <h3>システム情報</h3>
       <table class="table table-bordered">
         <tr>
-          <td class="col-sm-4">crowi-plus</td>
+          <th class="col-sm-4">crowi-plus</th>
           <td>{{ crowiVersion() }}</td>
         </tr>
         <tr>
-          <td class="col-sm-4">node.js</td>
+          <th>node.js</th>
           <td>{{ nodeVersion() }}</td>
         </tr>
         <tr>
-          <td class="col-sm-4">npm</td>
+          <th>npm</th>
           <td>{{ npmVersion() }}</td>
         </tr>
         <tr>
-          <td class="col-sm-4">yarn</td>
+          <th>yarn</th>
           <td>{{ yarnVersion() }}</td>
         </tr>
       </table>