added default.cfg to extra emu paks

skeleton/EXTRAS/Emus/rg35xx/GG.pak/default.cfg

@@ -0,0 +1,20 @@
+minarch_screen_scaling = Native
+
+-picodrive_smstype = Game Gear
+-picodrive_smsmapper = Auto
+-picodrive_sound_rate = 44100
+-picodrive_ramcart = disabled
+-picodrive_dacnoise = disabled
+-picodrive_input1 = 3 button pad
+-picodrive_input2 = 3 button pad
+-picodrive_fm_filter = off
+-picodrive_audio_filter = disabled
+-picodrive_overclk68k = disabled
+
+bind Up = UP
+bind Down = DOWN
+bind Left = LEFT
+bind Right = RIGHT
+bind Button 1 = B
+bind Button 2 = A
+bind Pause = START