fix discord button

Author: BirjuVachhani

docs/index.mdx

@@ -56,7 +56,13 @@ See [DEVELOPMENT.md][development] for development setup.
 </table>
 
 Feel free to join our Discord server for any inquiries or support.
-<a href="https://discord.gg/yrahEhCqTJ"><img src="assets/discord.png" width="200px"/></a>
+<table>
+    <tbody>
+    <tr>
+        <td><a href="https://discord.gg/yrahEhCqTJ"><img src="assets/discord.png" width="200px"/></a></td>
+    </tr>
+    </tbody>
+</table>
 
 ![discord](discord.jpg)