fix: directory not existing

Author: mfranzke

.github/scripts/prepare-pages.sh

@@ -13,7 +13,7 @@ cp -r examples/* _site/examples/
 
 # Copy dist folder for example pages to access the scripts
 echo "Copying dist folder..."
-mkdir -p _site/dist
+mkdir -p _site/packages/css-if-polyfill/dist/
 cp -r packages/css-if-polyfill/dist/* _site/packages/css-if-polyfill/dist/
 
 # Copy the index.html template