feat: name systems in the install manifests

Each manifest carries system_titles, the name the site prints for every system its files list (Sony PlayStation, not sony-playstation or psx), so the installer can show it. Older installers ignore the field.

install/retrobat.json

@@ -3432,6 +3432,98 @@
       "ecwolf"
     ]
   },
+  "system_titles": {
+    "3do": "3DO",
+    "adam": "Coleco Adam",
+    "apfm1000": "APF M-1000",
+    "apple-ii": "Apple II",
+    "apple-iigs": "Apple IIGS",
+    "aquarius": "Mattel Aquarius",
+    "archimedes": "Acorn Archimedes",
+    "astrocde": "Bally Astrocade",
+    "atari-400-800": "Atari 400-800",
+    "atari-5200": "Atari 5200",
+    "atari-jaguar": "Atari Jaguar",
+    "atari-lynx": "Atari Lynx",
+    "atari-st": "Atari ST",
+    "atari7800": "Atari 7800",
+    "atom": "Acorn Atom",
+    "bbcmicro": "Acorn BBC Micro",
+    "camplynx": "Camputers Lynx",
+    "cdi": "Philips CD-i",
+    "chihiro": "Sega Chihiro",
+    "coco": "Tandy CoCo",
+    "coleco-colecovision": "ColecoVision",
+    "commodore-amiga": "Commodore Amiga",
+    "crvision": "VTech CreatiVision",
+    "dragon32": "Dragon 32",
+    "electron": "Acorn Electron",
+    "elektronika-bk": "Elektronika BK",
+    "emerson-arcadia-2001": "Emerson Arcadia 2001",
+    "entex-advision": "Entex Adventure Vision",
+    "fairchild-channel-f": "Fairchild Channel F",
+    "fm7": "Fujitsu FM-7",
+    "fmtowns": "Fujitsu FM Towns",
+    "gamate": "Bit Corporation Gamate",
+    "gamecom": "Tiger Game.com",
+    "gamepark-gp32": "GamePark GP32",
+    "gamepock": "Epoch Game Pocket Computer",
+    "gmaster": "Hartung Game Master",
+    "hikaru": "Sega Hikaru",
+    "j2me": "Java J2ME",
+    "laseractive": "Pioneer LaserActive",
+    "loopy": "Casio Loopy",
+    "magnavox-odyssey2": "Magnavox Odyssey2",
+    "mattel-intellivision": "Mattel Intellivision",
+    "megacd": "Sega Mega CD",
+    "microsoft-msx": "Microsoft MSX",
+    "namco-system246": "Namco System 246",
+    "nec-pc-88": "NEC PC-88",
+    "nec-pc-98": "NEC PC-98",
+    "nec-pc-engine": "NEC PC Engine",
+    "nec-pc-fx": "NEC PC-FX",
+    "neogeo64": "SNK Hyper Neo Geo 64",
+    "ngage": "Nokia N-Gage",
+    "ngp": "SNK Neo Geo Pocket",
+    "ngpc": "SNK Neo Geo Pocket Color",
+    "nintendo-64dd": "Nintendo 64DD",
+    "nintendo-ds": "Nintendo DS",
+    "nintendo-fds": "Nintendo Famicom Disk System",
+    "nintendo-gb": "Nintendo Game Boy",
+    "nintendo-gba": "Nintendo Game Boy Advance",
+    "nintendo-gbc": "Nintendo Game Boy Color",
+    "nintendo-pokemon-mini": "Nintendo Pokemon Mini",
+    "nintendo-satellaview": "Nintendo Satellaview",
+    "nintendo-sgb": "Nintendo Super Game Boy",
+    "nintendo-sufami-turbo": "Nintendo SuFami Turbo",
+    "pegasus": "Aamber Pegasus",
+    "pv1000": "Casio PV-1000",
+    "scummvm": "ScummVM games",
+    "scv": "Epoch Super Cassette Vision",
+    "sega-dreamcast": "Sega Dreamcast",
+    "sega-dreamcast-arcade": "Sega Dreamcast-based arcade boards",
+    "sega-master-system": "Sega Master System",
+    "sega-saturn": "Sega Saturn",
+    "sega32x": "Sega 32X",
+    "segastv": "Sega ST-V",
+    "sharp-x1": "Sharp X1",
+    "sharp-x68000": "Sharp X68000",
+    "snk-neogeo": "SNK Neo Geo",
+    "snk-neogeo-cd": "SNK Neo Geo CD",
+    "sony-playstation": "Sony PlayStation",
+    "sony-playstation-2": "Sony PlayStation 2",
+    "supracan": "Funtech Super A'Can",
+    "ti99": "Texas Instruments TI-99",
+    "triforce": "Sega Triforce",
+    "tutor": "Tomy Tutor",
+    "vc4000": "Interton VC 4000",
+    "vectrex": "GCE Vectrex",
+    "vg5k": "Philips VG 5000",
+    "vtech-vsmile": "VTech V.Smile",
+    "wolfenstein3d": "Wolfenstein 3D",
+    "xbox": "Microsoft Xbox",
+    "xegs": "Atari XEGS"
+  },
   "files": [
     {
       "dest": "panafz1.bin",