[shadcn4] Ensure dist directory exists before extracting CSS

Author: x0k

packages/shadcn4-theme/package.json

@@ -32,7 +32,7 @@
 		"build": "vite build && npm run prepack",
 		"preview": "vite preview",
 		"prepare": "svelte-kit sync || echo ''",
-		"extract-css": "mv $(find .svelte-kit/output/client/_app/immutable/assets/ -name \"_page*.css\" | head -n 1) dist/styles.css",
+		"extract-css": "mkdir -p dist && mv $(find .svelte-kit/output/client/_app/immutable/assets/ -name \"_page*.css\" | head -n 1) dist/styles.css",
 		"prepack": "svelte-kit sync && svelte-package && npm run extract-css && publint",
 		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
 		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",