Add RetroPie configs backup from /opt/retropie/configs

키 설정·패드 매핑·에뮬 설정을 sync-configs.sh로 동기화.

Co-authored-by: Cursor <cursoragent@cursor.com>

configs/all/autoconf.cfg

@@ -0,0 +1,9 @@
+# this file can be used to enable/disable retropie autoconfiguration features
+8bitdo_hack = "0"
+es_swap_a_b = "0"
+disable = "0"
+mupen64plus_audio = "0"
+mupen64plus_compatibility_check = "0"
+mupen64plus_hotkeys = "1"
+mupen64plus_texture_packs = "1"
+reicast_input = "1"