Update sudachi.md

Author: ivan-hc

apps/sudachi.md

@@ -4,5 +4,7 @@
 
  SITE: https://github.com/emuplace/sudachi.emuplace.app
 
+ UNOFFICIAL APPIMAGE: https://github.com/pkgforge-dev/Sudachi-AppImage
+
  | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
  | --- | --- |