loongson/pypi: links for mttools

loongson/mirror mttools-0.2.3.tar.gz
loongson/mirror mttools-0.2.3-py3-none-any.whl
loongson/mirror mttools-0.2.2.tar.gz
loongson/mirror mttools-0.2.2-py3-none-any.whl
loongson/mirror MtTools-0.1.2.tar.gz
loongson/mirror MtTools-0.1.2-py3-none-any.whl