add firmware version

arduino_code/arduino_code.ino

@@ -70,6 +70,7 @@ void setup()
     Serial.begin(115200);
     Serial.println("Table: Dune Weaver");
     Serial.println("Drivers: DRV8825");
+    Serial.println("Version: 1.4.0";)
     Serial.println("R");
     homing();
 }

arduino_code_TMC2209/arduino_code_TMC2209.ino

@@ -70,6 +70,7 @@ void setup()
     Serial.begin(115200);
     Serial.println("Table: Dune Weaver");
     Serial.println("Drivers: TMC2209");
+    Serial.println("Version: 1.4.0";)
     Serial.println("R");
     homing();
 }

esp32/esp32.ino

@@ -65,6 +65,7 @@ void setup()
     Serial.begin(115200);
     Serial.println("Table: Mini Dune Weaver");
     Serial.println("Drivers: ULN2003");
+    Serial.println("Version: 1.4.0";)
     Serial.println("R");
     homing();
 }