created a separate tag for Super Game Boy

so it can have independent settings from Game Boy Advance

skeleton/EXTRAS/Emus/rg35xx/SGB.pak/launch.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+EMU_EXE=mgba
+CORES_PATH=$(dirname "$0")
+
+###############################
+
+EMU_TAG=$(basename "$(dirname "$0")" .pak)
+ROM="$1"
+mkdir -p "$BIOS_PATH/$EMU_TAG"
+mkdir -p "$SAVES_PATH/$EMU_TAG"
+HOME="$USERDATA_PATH"
+cd "$HOME"
+minarch.elf "$CORES_PATH/${EMU_EXE}_libretro.so" "$ROM" DMG &> "$LOGS_PATH/$EMU_TAG.txt"