Fix build deployment for gh page (#20)

Author: MathiasReichardt

.github/workflows/build-and-deploy-gh-pages.yml

@@ -31,5 +31,5 @@ jobs:
       uses: peaceiris/actions-gh-pages@v3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: dist/prod
+        publish_dir: dist/prod/browser
         enable_jekyll: true