GHA: Package icons with the demo project

.github/workflows/demo.yml

@@ -31,6 +31,8 @@ jobs:
         run: |
           echo "LIMBOAI_VERSION=$( (git describe --tags --exact-match HEAD || git rev-parse --short HEAD) | sed 's/\(.*\)-\(.*\)/\1.\2/g' )" >> "$GITHUB_ENV"
           cp {README,LICENSE}.md demo/
+          mkdir -p demo/addons/limboai/
+          cp -R icons/ demo/addons/limboai/icons
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4