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>

scripts/sync-configs.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# /opt/retropie/configs → projects/retropie/configs 동기화 (백업용)
+set -euo pipefail
+
+SRC=/opt/retropie/configs
+DST="$(cd "$(dirname "$0")/.." && pwd)/configs"
+
+mkdir -p "$DST"
+
+rsync -av --delete \
+  --exclude 'content_*history*' \
+  --exclude 'es_log.txt*' \
+  --exclude 'es_temporaryinput.cfg' \
+  --exclude 'skyscraper/' \
+  --exclude 'gamelists/' \
+  --exclude 'retroarch/assets/' \
+  --exclude 'retroarch/shaders/' \
+  --exclude 'retroarch/cores/' \
+  --exclude 'retroarch/database/' \
+  --exclude 'retroarch/downloads/' \
+  --exclude 'retroarch/logs/' \
+  --exclude 'retroarch/screenshots/' \
+  --exclude 'retroarch/thumbnails/' \
+  --exclude 'retroarch/playlists/' \
+  --exclude 'retroarch/records/' \
+  --exclude 'retroarch/records_config/' \
+  --exclude 'retroarch/filters/' \
+  --exclude 'retroarch/cheats/' \
+  --exclude 'retroarch/overlay/' \
+  --exclude 'retroarch/overlays/' \
+  --exclude 'amiga/amiberry/whdboot/' \
+  --exclude 'amiga/amiberry/nvram/' \
+  --exclude 'amiga/amiberry/savestates/' \
+  --exclude 'amiga/amiberry/screenshots/' \
+  --exclude 'dreamcast/data/' \
+  --exclude 'psp/PSP/' \
+  --exclude 'msx/openmsx/share/systemroms/' \
+  --exclude 'apple2/Master.dsk' \
+  --exclude 'retroarch-joypads' \
+  --exclude 'mame-advmame/rom/' \
+  --exclude 'mame-advmame/snap/' \
+  --exclude '*.bak*' \
+  --exclude '.git/' \
+  "$SRC/" "$DST/"
+
+echo "Synced → $DST"
+find "$DST" -type f | wc -l | xargs -I{} echo "{} files"