Add CSS & Icons docs

package.json

@@ -13,14 +13,18 @@
     "format": "prettier --ignore-path .gitignore --write --plugin-search-dir=. ."
   },
   "devDependencies": {
+    "@iconify-json/heroicons-outline": "^1.1.1",
+    "@iconify-json/lucide": "^1.1.7",
     "@sveltejs/adapter-auto": "next",
     "@sveltejs/kit": "next",
     "@typescript-eslint/eslint-plugin": "^5.10.1",
     "@typescript-eslint/parser": "^5.10.1",
     "autoprefixer": "^10.4.2",
+    "cssnano": "^5.1.1",
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-svelte3": "^3.2.1",
+    "mdsvex": "^0.10.5",
     "postcss": "^8.4.8",
     "postcss-extend-rule": "^4.0.0",
     "postcss-import": "^14.0.2",
@@ -36,7 +40,7 @@
     "svelte2tsx": "^0.5.5",
     "tslib": "^2.3.1",
     "typescript": "~4.6.2",
-    "mdsvex": "^0.10.5"
+    "unplugin-icons": "^0.13.3"
   },
   "type": "module",
   "svelte": "index.js"