loongson/pypi: links for timechart

loongson/mirror timechart-1.5.3.tar.gz
loongson/mirror timechart-1.5.3-py3-none-any.whl
loongson/mirror timechart-1.5.1.tar.gz
loongson/mirror timechart-1.5.0.tar.gz
loongson/mirror timechart-1.2.3.tar.gz
loongson/mirror timechart-1.2.2.tar.gz