refactor(aklive2d): use scss, stylelint, and postcss

package.json

@@ -25,11 +25,17 @@
     "@types/react": "^18.0.28",
     "@types/react-dom": "^18.0.11",
     "@vitejs/plugin-react-swc": "^3.2.0",
+    "autoprefixer": "^10.4.14",
     "eslint": "^8.35.0",
     "eslint-plugin-react": "^7.32.2",
     "eslint-plugin-react-hooks": "^4.6.0",
+    "postcss": "^8.4.21",
     "prop-types": "^15.8.1",
     "rollup": "^3.17.3",
+    "sass": "^1.59.2",
+    "stylelint": "^15.2.0",
+    "stylelint-config-standard": "^30.0.1",
+    "stylelint-config-standard-scss": "^7.0.1",
     "vite": "^4.1.4"
   },
   "dependencies": {