add credits to mafetch

README.md

@@ -85,6 +85,7 @@ sudo make install
 - HUGE THANKS to [eProTaLT83](https://www.reddit.com/user/eProTaLT83). I wanted certain features in dwm like tabbar in monocle , tagpreview etc and he implemented my ideas and created patches for me! I cant even count the number of times he has helped me :v 
 - @fitrh helped with [colorful tag patch](https://github.com/fitrh/dwm/issues/1)
 - [6gk](https://github.com/6gk/fet.sh), eww's pure posix fetch functions taken from here
+- [mafetch](https://github.com/fikriomar16/mafetch), modified version of this was used as fetch in the screenshots
 
 # Patches