add test settings

Author: WT1W

.github/workflows/deploy.yml

@@ -89,7 +89,7 @@ jobs:
           sudo apt-get update && sudo apt-get install -y imagemagick
           pip3 install --upgrade nbconvert
           export JEKYLL_ENV=production
-          bundle exec jekyll build
+          bundle exec jekyll build --trace --verbose
       - name: Purge unused CSS 🧹
         run: |
           npm install -g purgecss