feat: storybook

package.json

@@ -69,7 +69,7 @@
     "@commitlint/config-conventional": "^13.1.0",
     "@nuxt/types": "^2.15.7",
     "@nuxt/typescript-build": "^2.1.0",
-    "@nuxtjs/color-mode": "^2.0.10",
+    "@nuxtjs/color-mode": "^2.1.1",
     "@nuxtjs/dotenv": "^1.4.1",
     "@nuxtjs/eslint-config-typescript": "^6.0.1",
     "@nuxtjs/eslint-module": "^3.0.2",
@@ -96,6 +96,7 @@
     "jest-serializer-vue": "^2.0.2",
     "lint-staged": "^11.1.1",
     "nuxt-windicss": "^1.2.1",
+    "postcss": "^8.3.6",
     "prettier": "^2.3.2",
     "pretty-quick": "^3.1.1",
     "raw-loader": "^4.0.2",