loongson/mirror: links for exxablock

loongson/mirror exxablock-0.0.19-py2-none-any.whl
loongson/mirror exxablock-0.0.18-py2-none-any.whl
loongson/mirror exxablock-0.0.17-py2-none-any.whl
loongson/mirror exxablock-0.0.16-py2-none-any.whl
loongson/mirror exxablock-0.0.14-py2-none-any.whl