feat: update character assets and registry for multiple packs

- Added new character images in .webp format for Dragon Ball FighterZ, Rivals of Aether II, and Skullgirls: 2nd Encore.
- Removed outdated .png images for characters in Dragon Ball FighterZ and Rivals of Aether II.
- Updated registry.json to reflect changes in character counts and total sizes for packs.
- Introduced new packs for BlazBlue Centralfiction and Rivals of Aether II with their respective assets and manifest files.
- Added scripts for updating image sizes and renaming images to match character slugs.

registry.json

@@ -1,20 +1,46 @@
 {
   "schemaVersion": 1,
-  "updatedAt": "2026-05-21",
+  "updatedAt": "2026-05-25",
   "packs": [
     {
       "id": "2xko",
       "name": "2XKO",
       "version": "1.0.0",
-      "totalSizeBytes": 6148445,
+      "totalSizeBytes": 6719492,
       "logoPath": "2xko/logo.png",
-      "characterCount": 13,
+      "characterCount": 14,
       "palette": {
         "start": "#7c3aed",
         "end": "#1d4ed8"
       },
       "bundled": false
     },
+    {
+      "id": "blazblue-centralfiction",
+      "name": "BlazBlue Centralfiction",
+      "version": "1.0.0",
+      "totalSizeBytes": 8420000,
+      "logoPath": "blazblue-centralfiction/logo.png",
+      "characterCount": 36,
+      "palette": {
+        "start": "#2563eb",
+        "end": "#7c2d12"
+      },
+      "bundled": false
+    },
+    {
+      "id": "dragon-ball-fighterz",
+      "name": "Dragon Ball FighterZ",
+      "version": "1.0.0",
+      "totalSizeBytes": 29111106,
+      "logoPath": "dragon-ball-fighterz/logo.png",
+      "characterCount": 44,
+      "palette": {
+        "start": "#f97316",
+        "end": "#1d4ed8"
+      },
+      "bundled": false
+    },
     {
       "id": "fatal-fury-city-of-the-wolves",
       "name": "FATAL FURY: City of the Wolves",
@@ -54,6 +80,32 @@
       },
       "bundled": false
     },
+    {
+      "id": "rivals-of-aether-ii",
+      "name": "Rivals of Aether II",
+      "version": "1.0.0",
+      "totalSizeBytes": 65441117,
+      "logoPath": "rivals-of-aether-ii/logo.png",
+      "characterCount": 16,
+      "palette": {
+        "start": "#06b6d4",
+        "end": "#1e293b"
+      },
+      "bundled": false
+    },
+    {
+      "id": "skullgirls-2nd-encore",
+      "name": "Skullgirls: 2nd Encore",
+      "version": "1.0.0",
+      "totalSizeBytes": 2371100,
+      "logoPath": "skullgirls-2nd-encore/logo.png",
+      "characterCount": 18,
+      "palette": {
+        "start": "#ec4899",
+        "end": "#500724"
+      },
+      "bundled": false
+    },
     {
       "id": "street-fighter-6",
       "name": "Street Fighter 6",
@@ -92,32 +144,6 @@
         "end": "#1e3a8a"
       },
       "bundled": false
-    },
-    {
-      "id": "dragon-ball-fighterz",
-      "name": "Dragon Ball FighterZ",
-      "version": "1.0.0",
-      "totalSizeBytes": 29111106,
-      "logoPath": "dragon-ball-fighterz/logo.png",
-      "characterCount": 44,
-      "palette": {
-        "start": "#f97316",
-        "end": "#1d4ed8"
-      },
-      "bundled": false
-    },
-    {
-      "id": "skullgirls-2nd-encore",
-      "name": "Skullgirls: 2nd Encore",
-      "version": "1.0.0",
-      "totalSizeBytes": 1950000,
-      "logoPath": "skullgirls-2nd-encore/logo.png",
-      "characterCount": 16,
-      "palette": {
-        "start": "#ec4899",
-        "end": "#500724"
-      },
-      "bundled": false
     }
   ]
 }