Add discord button

Author: BirjuVachhani

docs/assets/discord.png

@@ -55,7 +55,10 @@ See [DEVELOPMENT.md][development] for development setup.
     </tbody>
 </table>
 
-Feel free to join our Discord server for any inquiries or support: https://discord.gg/yrahEhCqTJ
+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>
+
+![discord](discord.jpg)
 
 [github]: https://github.com/hyper-designed/box_transform
 [pubdev]:  https://pub.dev/packages/box_transform