Make screenshot installation visible in log

Author: joern274

.github/workflows/releaseDoc.yml

@@ -90,8 +90,9 @@ jobs:
           echo "==> Disk usage after clean"
           df -h .
           export BUILD_TYPE=Debug
-          cp $GITHUB_WORKSPACE/documentation/index.html doc/
-          cp $GITHUB_WORKSPACE/documentation/hal_screenshot.* doc/
+          cp -v $GITHUB_WORKSPACE/documentation/index.html doc/
+          cp -v $GITHUB_WORKSPACE/documentation/hal_screenshot.* doc/
+          ls -l doc
           $GITHUB_WORKSPACE/tools/genversion.py $GITHUB_WORKSPACE
           cmake -G Ninja $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DBUILD_ALL_PLUGINS=ON -DBUILD_TESTS=ON -DBUILD_COVERAGE=ON -DPL_GUI=ON -DBUILD_DOCUMENTATION=ON -DPACKAGE_DEB=OFF -DCMAKE_INSTALL_PREFIX=/usr/ -DPYBIND11_PYTHON_VERSION=3.6
         env: