loongson/pypi: links for fdtdcurrent

loongson/mirror fdtdcurrent-0.0.1.4.tar.gz
loongson/mirror fdtdcurrent-0.0.1.4-py3-none-any.whl
loongson/mirror fdtdcurrent-0.0.1.3.tar.gz
loongson/mirror fdtdcurrent-0.0.1.3-py3-none-any.whl
loongson/mirror fdtdcurrent-0.0.1.tar.gz
loongson/mirror fdtdcurrent-0.0.1-py3-none-any.whl