feat: archive full dolphin-emu/Sys, add DSP/font/IPL paths to pack

dolphin-emu/Sys/ folder (2562 files) from libretro/dolphin Data/Sys.
retroarch.yml: DSP firmware (dsp_coef.bin, dsp_rom.bin), fonts
(font_western.bin, font_japanese.bin) at dolphin-emu/Sys/GC/ paths.
ref: DolphinLibretro/Boot.cpp:72-73, HW/DSPLLE/DSPHost.cpp,
HW/EXI/EXI_DeviceIPL.cpp. pack: 452 files, 0 missing.

bios/Nintendo/GameCube/dolphin-emu/Sys/GameSettings/GSO.ini

@@ -0,0 +1,64 @@
+# GSOE8P, GSOJ8P, GSOP8P - Sonic Mega Collection
+
+[Core]
+# Values set here will override the main Dolphin settings.
+
+[OnFrame]
+# Add memory patches to be applied every frame here.
+
+[ActionReplay]
+# Add action replay cheats here.
+
+[Gecko]
+$16:9 Widescreen Region Free
+F6000002 80008180
+ec830824 ec24e824
+d03f0000 ec631024
+D2000000 00000006
+EC830824 3E403FAA
+6252AAAB 92420000
+C2420000 EFBD9025
+3E403FE3 62528E39
+92420004 C2220004
+EFBD0473 00000000
+F6000002 80008180
+fc20f050 fc000050
+d09f0014 ec2100f2
+D2000008 00000003
+3E203F80 92220000
+C2220000 EC840473
+D09F0014 00000000
+F6000001 80008180
+ed494024 ed090024
+D2000000 00000006
+ED494024 3E403FAA
+6252AAAB 92420000
+C2420000 3E403FE3
+62528E39 92420004
+C2220004 ED4A04B3
+ED4A8825 00000000
+D2000004 00000003
+ED090024 3E203F80
+92220000 C2220000
+ED080473 00000000
+E0000000 80008000
+F6000003 80008180
+3F800000 40000000
+00000000 BF800000
+3F000000 3C8EFA35
+14000000 3F800000
+E0000000 80008000
+F6000002 80008180
+48000030 38600001
+38800004 38a00005
+1000000F 00000001
+E0000000 80008000
+
+[Video_Settings]
+SafeTextureCacheColorSamples = 512
+
+[Video_Hacks]
+ImmediateXFBEnable = False
+
+[Gecko_RetroAchievements_Verified]
+$16:9 Widescreen Region Free