loongson/pypi: links for shallowlearn

loongson/mirror ShallowLearn-0.0.5.tar.gz
loongson/mirror ShallowLearn-0.0.4.tar.gz
loongson/mirror ShallowLearn-0.0.3.tar.gz
loongson/mirror ShallowLearn-0.0.2-5.tar.gz