ci: add ls for ietf statics dir

Author: NGPixel

.github/workflows/build.yml

@@ -90,6 +90,7 @@ jobs:
         grunt dist
         cp -r dist/. ../ietf/static/ietf/bootstrap/
         cd ..
+        ls -a ietf/static/ietf
         echo "Using version $PKG_VERSION_STRICT"
         sed -i -r -e "s/^__version__ += '.*'$/__version__ = '$PKG_VERSION_STRICT'/" ietf/__init__.py
         echo "Build release tarball... (this could take a while)"