loongson/pypi: links for vim-debug

loongson/mirror vim-debug-1.5.4.tar.gz
loongson/mirror vim-debug-1.5.3.tar.gz
loongson/mirror vim-debug-1.5.2.tar.gz
loongson/mirror vim-debug-1.5.tar.gz
loongson/mirror vim-debug-1.2.tar.gz