Vendor codelab CSS and JS (#3)

Author: illicitonion

.github/workflows/build.yml

@@ -9,7 +9,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Install claat
-        run: ./download-claat-linux.sh
       - name: Build
-        run: PATH="/tmp/claat:${PATH}" python3 build.py
+        run: ./build.sh