gituser/pypi: links for flightgear

gituser/pypi flightgear-1.0.0b1.tar.gz
gituser/pypi flightgear-1.0.0b1-py3-none-any.whl
gituser/pypi flightgear-1.0.0a1.tar.gz
gituser/pypi flightgear-1.0.0a1-py3-none-any.whl