This project is in development...
# to run the app:
flatpak-builder build/ it.mijorus.gearlever.Devel.json --user --force-clean
flatpak-builder --run build/ it.mijorus.gearlever.Devel.json gearlever
# to install the app
flatpak-builder build/ it.mijorus.gearlever.Devel.json --user --install --force-clean