loongson/pypi: links for bootsrapyy

loongson/mirror bootsrapyy-4.6.tar.gz
loongson/mirror bootsrapyy-2.1.tar.gz
loongson/mirror bootsrapyy-0.15.tar.gz
loongson/mirror bootsrapyy-0.11.tar.gz
loongson/mirror bootsrapyy-0.5.tar.gz
loongson/mirror bootsrapyy-0.3.tar.gz
loongson/mirror bootsrapyy-0.2.tar.gz
loongson/mirror bootsrapyy-0.1.tar.gz