loongson/pypi: links for triangle-plot

loongson/mirror triangle_plot-0.3.0.tar.gz
loongson/mirror triangle_plot-0.2.0.tar.gz
loongson/mirror triangle_plot-0.0.6.tar.gz
loongson/mirror triangle_plot-0.0.5.tar.gz
loongson/mirror triangle_plot-0.0.4.tar.gz
loongson/mirror triangle_plot-0.0.3.tar.gz
loongson/mirror triangle_plot-0.0.2.tar.gz