loongson/pypi: links for tradegates

loongson/mirror TradeGates-0.3.9.tar.gz
loongson/mirror TradeGates-0.3.9-py3-none-any.whl
loongson/mirror TradeGates-0.3.8.9.tar.gz
loongson/mirror TradeGates-0.3.8.9-py3-none-any.whl
loongson/mirror TradeGates-0.3.5.5.tar.gz
loongson/mirror TradeGates-0.3.5.5-py3-none-any.whl