docs: fix demo deployment

Author: fritz-c

package.json

@@ -16,7 +16,7 @@
     "test:coverage": "jest --coverage && ./cc-test-reporter after-build --id=\"d957b5ff2f78e200b7cfa4e294ac1fe52c823c7d7c327628f897271dc72a874e\"",
     "deploy": "npm run build:demo && gh-pages -d build",
     "storybook": "cross-env TARGET=development start-storybook -p ${PORT:-3001} -h 0.0.0.0",
-    "build-storybook": "cross-env NODE_ENV=production TARGET=demo build-storybook -o build/storybook"
+    "build-storybook": "cross-env NODE_ENV=production build-storybook -o build/storybook"
   },
   "main": "dist/main.js",
   "files": [

webpack.config.js

@@ -34,7 +34,7 @@ const cssLoader = {
 const defaultCssLoaders = [cssLoader, postcssLoader];
 
 const cssLoaders =
-  target !== 'development'
+  target !== 'development' && target !== 'demo'
     ? ExtractTextPlugin.extract({
         fallback: styleLoader,
         use: defaultCssLoaders,