loongson/pypi: links for scatter-letters

loongson/mirror scatter_letters-0.0.7.tar.gz
loongson/mirror scatter_letters-0.0.7-py3-none-any.whl
loongson/mirror scatter_letters-0.0.6.tar.gz
loongson/mirror scatter_letters-0.0.6-py3-none-any.whl
loongson/mirror scatter_letters-0.0.5-py3-none-any.whl
loongson/mirror scatter_letters-0.0.4-py3-none-any.whl
loongson/mirror scatter_letters-0.0.3-py3-none-any.whl