feat: add 63 missing BIOS files from multiple sources

MAME/MESS ROM sets (23 ZIPs from archive.org MESS 0.151 + MAME 0.285 split),
Dolphin BT firmware (15 files from linux-firmware), Commodore VIC-20/Plus4
regional ROMs (8 from zimmers.net), IBM AT 5170 BIOS + BASIC (3 from
minuszerodegrees.net + PCem), Apple DiskII boot/state-machine ROMs (4 from
Asimov mirror), Commodore 1540/1541 drive ROMs (2 reconstructed from MAME
chips), Oric Microdisc ROM, SMS Japanese BIOS, Videoton TVC64 + BK-0010
enriched ZIPs. All platforms at 0 required missing except Batocera bk0010.zip
(2/11 ROM chips unavailable).

.gitignore

@@ -36,6 +36,7 @@ bios/Nintendo/DS/DSi_Nand_USA.bin
 bios/Nintendo/DS/DSi_Nand_AUS.bin
 bios/Nintendo/DS/DSi_Nand_CHN.bin
 bios/Nintendo/DS/DSi_Nand_KOR.bin
+bios/Nintendo/DS/dsi_nand.bin
 
 # QEMU EDK2 firmware (64MB each)
 bios/QEMU/edk2-aarch64-code.fd

bios/Apple/Apple II/DiskII/state-machine-13.rom

@@ -0,0 +1,65 @@
+ИИ�Ш
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+�Щ�Щ�Ы�ЫИ=ИИ
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+hhhhhh
+
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+xxxx
+-xp
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+

bios/Apple/Apple II/DiskII/state-machine-16.rom

@@ -0,0 +1,65 @@
+Ш
+
+
+
+99;;8(
+
+
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+99;;-Ш8H
+
+
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+(H(H(H(H-H8H
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database.json

@@ -1,5 +1,5 @@
 {
-  "generated_at": "2026-03-30T23:11:20Z",
+  "generated_at": "2026-03-31T08:57:59Z",
   "total_files": 7293,
   "total_size": 9133482744,
   "files": {
@@ -103148,6 +103148,9 @@
       "cp450dsk.rom": [
         "827697fa5b755f5dc1efb054cdbbeb04e405405b"
       ],
+      "microdisc.rom": [
+        "0d2ef6e67322f48f4b7e08d8bbe68827e2074561"
+      ],
       "ts1500.zxpand.ovl": [
         "0334b35f164089df7b2a82d46fa0ec6e43fafa90"
       ],
@@ -128016,6 +128019,9 @@
       ".variants/scph101.bin.9a09ab7e": [
         "7771d6e90980408f753891648685def6dd42ef6d"
       ],
+      "Oric/microdisc.rom": [
+        "0d2ef6e67322f48f4b7e08d8bbe68827e2074561"
+      ],
       "zc210/sf2/custom0.sf2": [
         "286b2e1fb21cc79851da01666db6c0b0e88f25e3"
       ],