fix: center time

README.md

@@ -78,7 +78,8 @@ If you know React, then you already know Dioxus.
 - And more! Read the [full release post](https://dioxuslabs.com/blog/introducing-dioxus/).
 
 ## Supported Platforms
-<table style="width:100%">
+<div align="center">
+  <table style="width:100%">
     <tr>
       <td><em>Web</em></td>
       <td>
@@ -131,7 +132,8 @@ If you know React, then you already know Dioxus.
         </ul>
       </td>
     </tr>
-</table>
+  </table>
+</div>
 
 ## Why Dioxus?
 There's tons of options for building apps, so why would you choose Dioxus?