Host presentation in sub path

Author: nukemberg

.github/workflows/presentation.yml

@@ -29,7 +29,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v4
       - name: Build presentation
-        run: npm i && npm run build
+        run: npm i && npm run build --base /engineers-guide-to-data-analysis/
         working-directory: ./docs/main
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3