Update T-appendix.jupyter-installation-and-setup.ipynb #1250
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更新了jupyter前端工具的第二个工具推荐的网站,但是因为自己的电脑是windows,没有实验这个工具,及前端效果的图片,代码库中作者也没有放自己的工具的使用效果图片,等待后续热心读者的补充。