loongson/mirror: links for blueprint-compiler

loongson/mirror blueprint_compiler-0.20.4.post3.tar.gz
loongson/mirror blueprint_compiler-0.20.4.post3-py3-none-any.whl
loongson/mirror blueprint_compiler-0.20.4.post2.tar.gz
loongson/mirror blueprint_compiler-0.20.4.post2-py3-none-any.whl
loongson/mirror blueprint_compiler-0.20.4.tar.gz
loongson/mirror blueprint_compiler-0.20.4-py3-none-any.whl