loongson/pypi: links for nester-example

loongson/mirror nester_example-1.3.3.zip
loongson/mirror nester_example-1.3.2.zip
loongson/mirror nester_example-1.3.1.zip
loongson/mirror nester_example-1.3.0.zip
loongson/mirror nester_example-1.2.0.zip