avatar to main merge

I have completed the character creation screen on the avatar branch and am preparing to merge it into main.

package.json

@@ -5,7 +5,8 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint ."
+    "lint": "eslint .",
+    "generate:sprites": "node scripts/generate-character-sprites.mjs"
   },
   "dependencies": {
     "@radix-ui/react-checkbox": "^1.3.1",
@@ -31,6 +32,7 @@
     "autoprefixer": "^10.4.20",
     "eslint": "^9",
     "eslint-config-next": "15.3.1",
+    "pngjs": "^7.0.0",
     "postcss": "^8",
     "tailwindcss": "^3.4.1",
     "tailwindcss-animate": "^1.0.7",