Add Makerfabs 4.0inch MaTouch TFT to README

Author: mverch67

README.md

@@ -35,6 +35,7 @@ This repository provides firmware source code for the following MUI devices and
 
 - LilyGo T-HMI 2.8inch TFT (esp32-s3) - serial
 - ESP32-4848S040 4.0inch TFT (esp32-s3) - serial
+- Makerfabs 4.0inch MaTouch TFT (esp32-s3) - serial
 - WT32-SC01 Plus 3.5inch TFT (esp32-s3) - serial
 - Native linux X11 local/remote application - ethernet TCP/IP or USB serial