loongson/pypi: links for snippetlib-jl

loongson/mirror snippetlib_jl-1.7.2-py3-none-any.whl
loongson/mirror snippetlib_jl-1.7.1-py3-none-any.whl
loongson/mirror snippetlib_jl-1.7.0-py3-none-any.whl
loongson/mirror snippetlib_jl-1.6-py3-none-any.whl
loongson/mirror snippetlib_jl-1.5-py3-none-any.whl
loongson/mirror snippetlib_jl-1.4-py3-none-any.whl