loongson/pypi: links for trend-and-season-jm

loongson/mirror trend_and_season_jm-0.4.tar.gz
loongson/mirror trend_and_season_jm-0.3.tar.gz
loongson/mirror trend_and_season_jm-0.2.tar.gz
loongson/mirror trend_and_season_jm-0.1.tar.gz