Update README.md

Author: xrip

README.md

@@ -1,3 +1,6 @@
-# pico-sms 
+# Raspberry Pi Pico Sega Master System for MURMULATOR devboard
 
-Based on TotalSMS https://github.com/ITotalJustice/TotalSMS
+[MURMULATOR](https://github.com/AlexEkb4ever/MURMULATOR_classical_scheme) devboard 
+Murmulator devboard have MicroSD card slot, PS/2 keyboard input and VGA output
+
+Based on TotalSMS https://github.com/ITotalJustice/TotalSMS