Revert "back out changes to pages, no time to debug"

This reverts commit 56a4d03.

.github/workflows/jekyll-gh-pages.yml

@@ -33,6 +33,21 @@ jobs:
         with:
           source: ./doc
           destination: ./_site
+      - name: Install TeX Live
+        uses: zauguin/install-texlive@v3
+        with:
+          package_file: .github/tl_packages
+      - name: Checkout fonts for testing
+        uses: actions/checkout@v4
+        with:
+          repository: wspr/fontspec-test-fonts
+          path: fontspec-test-fonts
+      - name: Install fonts for testing
+        run: ./fontspec-test-fonts/install.sh
+      - name: Documentation
+        run: l3build doc -q -H --show-log-on-error
+      - name: Copy PDF
+        run: pwd; ls; cp *.pdf ./_site/ 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3