Fix html tags not being rendered

Author: Tenchi2xh

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

@@ -25,7 +25,11 @@ jobs:
               -e MARP_USER=root:root \
               -v "$PWD:/workspace" \
               -w /workspace \
-              marpteam/marp-cli:v3.0.2 "decks/$dir/slides.md" -o "build/$dir/index.html" --theme theme/codestar.css
+              marpteam/marp-cli:v3.0.2 \
+                "decks/$dir/slides.md" \
+                -o "build/$dir/index.html" \
+                --theme theme/codestar.css \
+                --html
             rsync -av --exclude='slides.md' "decks/$dir/" "build/$dir/"
           fi
         done

example.md

@@ -1,5 +1,6 @@
 ---
 marp: true
+title: New Codestar Marp theme
 theme: codestar
 # class: invert
 paginate: true