romm: add arcade (FBNeo) to populate-roms, add IGDB credentials

100 arcade titles spanning Pac-Man/Namco classics, Street Fighter,
Mortal Kombat, Metal Slug, King of Fighters, Samurai Shodown,
Fatal Fury, beat-em-ups (TMNT, Simpsons, X-Men), and more.

Also adds IGDB_CLIENT_ID/SECRET env vars for metadata scraping.

romm/populate-roms.sh

@@ -2,12 +2,33 @@
 set -euo pipefail
 
 NO_INTRO_BASE="/mnt/nas_games/[No-Intro] PropeR 1G1R Collection (2024)/ROMs"
+FBNEO_ARCADE="/mnt/nas_games/FBNeo 1.0.0.2 ROMs (split)/arcade"
 ROMS_DEST="/mnt/nas_games/roms"
 
 extracted=0
 skipped=0
 not_found=0
 
+copy_arcade() {
+  local src_dir="$1"
+  local dest_dir="$2"
+  local rom="$3"
+
+  if [[ -f "$dest_dir/$rom" ]]; then
+    echo "  [SKIP]     $rom"
+    (( skipped++ )) || true; return 0
+  fi
+
+  if [[ ! -f "$src_dir/$rom" ]]; then
+    echo "  [MISSING]  $rom"
+    (( not_found++ )) || true; return 0
+  fi
+
+  echo "  [COPY]     $rom"
+  cp "$src_dir/$rom" "$dest_dir/$rom"
+  (( extracted++ )) || true
+}
+
 extract_game() {
   local platform_zip="$1"
   local inner_prefix="$2"
@@ -400,6 +421,154 @@ else
   done
 fi
 
+# ---------------------------------------------------------------------------
+# Arcade (FBNeo)
+# ---------------------------------------------------------------------------
+ARCADE_DEST="$ROMS_DEST/arcade"
+
+if [[ ! -d "$FBNEO_ARCADE" ]]; then
+  echo "[WARN] FBNeo arcade directory not found: $FBNEO_ARCADE"
+else
+  echo "==> Arcade (FBNeo) -> $ARCADE_DEST"
+  mkdir -p "$ARCADE_DEST"
+
+  ARCADE_ROMS=(
+    # Pac-Man / Namco classics
+    "pacman.zip"
+    "mspacman.zip"
+    "galaga.zip"
+    "galaxian.zip"
+    "digdug.zip"
+    "btime.zip"
+    "pengo.zip"
+    # Nintendo classics
+    "dkong.zip"
+    "dkongjr.zip"
+    "popeye.zip"
+    "punchout.zip"
+    "spnchout.zip"
+    # Early arcade classics
+    "invaders.zip"
+    "centiped.zip"
+    "frogger.zip"
+    "qbert.zip"
+    "zaxxon.zip"
+    "arkanoid.zip"
+    # Sega
+    "outrun.zip"
+    "aburner2.zip"
+    # Shooters / Shmups
+    "1942.zip"
+    "1943.zip"
+    "19xx.zip"
+    "gradius.zip"
+    "gradius2.zip"
+    "gradius3.zip"
+    "raiden.zip"
+    "raiden2.zip"
+    "contra.zip"
+    # Capcom beat-em-ups
+    "ffight.zip"
+    "knights.zip"
+    "kod.zip"
+    "wof.zip"
+    "dino.zip"
+    "avsp.zip"
+    "ddsom.zip"
+    "ddtod.zip"
+    "batcir.zip"
+    "msword.zip"
+    "strider.zip"
+    # Konami beat-em-ups
+    "tmnt.zip"
+    "tmnt2.zip"
+    "simpsons.zip"
+    "xmen.zip"
+    "captaven.zip"
+    "punisher.zip"
+    "aliens.zip"
+    "ssriders.zip"
+    # Double Dragon / Technos
+    "ddragon.zip"
+    "ddragon2.zip"
+    "ddragon3.zip"
+    # Platform / action
+    "ghouls.zip"
+    "pang.zip"
+    "spang.zip"
+    "bublbobl.zip"
+    "pbobble.zip"
+    "rbisland.zip"
+    "snowbros.zip"
+    "slammast.zip"
+    "gauntlet.zip"
+    "gaunt2.zip"
+    # Street Fighter
+    "sf2.zip"
+    "sf2ce.zip"
+    "sf2hf.zip"
+    "ssf2t.zip"
+    "sfa.zip"
+    "sfa2.zip"
+    "sfa3.zip"
+    "sfiii3.zip"
+    # Mortal Kombat
+    "mk.zip"
+    "mk2.zip"
+    "mk3.zip"
+    # Marvel / Capcom crossovers
+    "xmvsf.zip"
+    "msh.zip"
+    "mvsc.zip"
+    "nwarr.zip"
+    # King of Fighters
+    "kof94.zip"
+    "kof95.zip"
+    "kof96.zip"
+    "kof97.zip"
+    "kof98.zip"
+    "kof99.zip"
+    "kof2000.zip"
+    "kof2001.zip"
+    "kof2002.zip"
+    "kof2003.zip"
+    # Fatal Fury / Garou
+    "fatfury1.zip"
+    "fatfury2.zip"
+    "fatfursp.zip"
+    "fatfury3.zip"
+    "rbff1.zip"
+    "rbff2.zip"
+    "garou.zip"
+    # Samurai Shodown
+    "samsho.zip"
+    "samsho2.zip"
+    "samsho3.zip"
+    "samsho4.zip"
+    "samsho5.zip"
+    # Metal Slug
+    "mslug.zip"
+    "mslug2.zip"
+    "mslug3.zip"
+    "mslug4.zip"
+    "mslug5.zip"
+    "mslugx.zip"
+    # Neo Geo misc
+    "blazstar.zip"
+    "wjammers.zip"
+    "turfmast.zip"
+    "lastbld2.zip"
+    "rotd.zip"
+    "neobombe.zip"
+    "kabukikl.zip"
+    "matrim.zip"
+  )
+
+  for rom in "${ARCADE_ROMS[@]}"; do
+    copy_arcade "$FBNEO_ARCADE" "$ARCADE_DEST" "$rom"
+  done
+fi
+
 # ---------------------------------------------------------------------------
 # Summary
 # ---------------------------------------------------------------------------