Update deploy.yml

Author: ChristianHohlfeld

.github/workflows/deploy.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Prepare files for GitHub Pages
         run: |
           mkdir -p ./_site
-          rsync -av --progress ./public/index.html ./_site
+          rsync -av --progress ./public/index.html ./public/LICENSE.html ./_site
 
       - name: Upload GitHub Pages artifact
         uses: actions/upload-pages-artifact@v3