loongson/mirror: links for jupyter-xblock

loongson/mirror jupyter-xblock-17.0.0.tar.gz
loongson/mirror jupyter-xblock-16.0.0.tar.gz
loongson/mirror jupyter-xblock-15.0.3.tar.gz
loongson/mirror jupyter-xblock-15.0.2.tar.gz
loongson/mirror jupyter-xblock-15.0.1.tar.gz
loongson/mirror jupyter-xblock-15.0.0.tar.gz
loongson/mirror jupyter-xblock-0.0.1.tar.gz